We use the Bliss term structure generating programs, provided by Professor Robert Bliss, to construct zero-coupon yields. We use his program fbtrmstr2.for, which uses his dataset ufb2full.dat (containing unsmoothed Fama-Blilss (1987) forward rates, for all available issues/maturities in a given month that survive the Fama-Bliss filtering algorithm), to compute zero yields at the fixed maturities specified in the file maturity.dat. The output file fbfitted.yld contains the fixed-maturity yields from 1970:1 to 2000:12 for maturities of 1,3, 6, 9, 12, 15, 18, 21, 24, 30, 36, 48, 60, 72, 84, 96, 108, and 120 months. Diebold and Li (2006) use a subset of that data (yields from 1985:1-2000:12, for maturities greater than 1 month). 19700130 7.734 8.019 8.091 8.108 8.010 7.836 7.888 7.896 7.989 8.058 8.065 8.088 8.067 7.815 7.515 7.515 7.515 7.515 19700227 6.396 6.983 6.987 6.970 6.922 6.938 6.965 6.957 7.024 7.057 7.030 7.162 7.145 7.043 7.020 7.020 7.020 7.020 19700331 6.419 6.495 6.648 6.473 6.611 6.756 6.735 6.806 6.911 6.870 6.862 7.135 7.052 6.956 7.163 7.163 7.163 7.163 19700430 6.600 7.052 7.368 7.435 7.492 7.552 7.489 7.550 7.581 7.673 7.736 7.815 7.742 7.771 7.812 7.812 7.812 7.812 19700529 6.431 7.079 7.268 7.429 7.441 7.519 7.571 7.665 7.745 7.655 7.604 7.675 7.606 7.650 7.628 7.628 7.628 7.628 19700630 6.111 6.585 6.677 7.136 7.192 7.262 7.367 7.411 7.453 7.529 7.571 7.629 7.543 7.501 7.746 7.746 7.746 7.746 19700731 6.207 6.466 6.643 6.870 6.811 6.989 7.102 7.154 7.186 7.276 7.318 7.485 7.373 7.369 7.466 7.466 7.466 7.466 19700831 6.277 6.396 6.717 6.864 6.800 6.833 6.962 7.036 7.012 7.072 7.191 7.363 7.255 7.239 7.512 7.512 7.512 7.512 19700930 5.570 5.923 6.586 6.555 6.594 6.541 6.648 6.584 6.555 6.687 6.829 6.978 7.050 7.070 7.266 7.266 7.266 7.266 19701030 5.340 5.938 6.160 6.353 6.324 6.351 6.479 6.517 6.511 6.492 6.703 6.852 6.877 7.027 7.096 7.096 7.096 7.096 19701130 4.867 5.090 5.038 5.093 5.099 5.175 5.162 5.193 5.313 5.473 5.635 5.824 5.906 6.288 6.308 6.308 6.308 6.308 19701231 4.657 4.915 4.956 4.950 4.886 5.141 5.236 5.339 5.403 5.537 5.768 5.813 5.922 6.131 6.142 6.142 6.142 6.142 19710129 4.071 4.194 4.261 4.303 4.310 4.255 4.385 4.528 4.643 4.955 5.234 5.602 5.655 6.100 6.068 6.068 6.068 6.068 19710226 3.287 3.437 3.616 3.745 3.772 3.770 3.933 4.131 4.278 4.543 4.836 5.154 5.304 5.849 5.786 5.786 5.786 5.786 19710331 3.445 3.629 3.741 3.718 3.758 3.904 3.978 4.075 4.147 4.273 4.514 4.818 4.977 5.435 5.313 5.313 5.313 5.313 19710430 3.776 3.961 4.282 4.522 4.552 4.701 4.900 5.081 5.216 5.491 5.708 5.799 5.973 6.217 6.055 6.055 6.055 6.055 19710528 4.193 4.378 4.618 4.747 4.886 5.141 5.252 5.331 5.406 5.713 5.854 5.840 6.206 6.407 6.243 6.243 6.243 6.243 19710630 4.933 5.271 5.516 5.900 6.057 6.140 6.144 6.151 6.267 6.535 6.677 6.614 6.783 6.946 6.792 6.792 6.792 6.792 19710730 5.121 5.369 5.822 6.035 6.109 6.118 6.216 6.280 6.315 6.631 6.731 6.827 6.891 6.954 6.889 6.889 6.889 6.889 19710831 4.411 4.477 4.823 5.181 5.270 5.417 5.446 5.286 5.447 5.641 5.711 5.803 6.024 6.174 6.113 6.183 6.237 6.279 19710930 4.402 4.653 5.003 5.193 5.271 5.345 5.399 5.350 5.399 5.603 5.651 5.770 5.965 6.056 5.970 5.941 5.918 5.902 19711029 4.066 4.352 4.514 4.570 4.589 4.681 4.769 4.814 4.956 5.140 5.209 5.430 5.660 5.835 5.824 5.814 5.805 5.800 19711130 4.169 4.377 4.502 4.699 4.743 4.793 4.693 4.906 5.059 5.224 5.285 5.496 5.722 5.985 6.085 6.126 6.157 6.182 19711231 3.353 3.714 4.078 4.152 4.181 4.439 4.531 4.704 4.828 4.980 5.079 5.204 5.426 5.762 5.841 5.834 5.830 5.869 19720131 3.129 3.382 3.782 3.995 4.120 4.442 4.595 4.714 4.804 5.100 5.331 5.479 5.718 5.971 6.007 6.026 6.041 6.088 19720229 3.149 3.470 3.831 3.983 4.291 4.391 4.443 4.626 4.769 5.040 5.246 5.443 5.665 5.897 5.960 6.028 6.082 6.283 19720330 3.485 3.874 4.463 4.663 4.937 5.141 5.317 5.466 5.528 5.590 5.774 5.875 5.999 6.119 6.110 6.096 6.084 6.269 19720428 3.292 3.648 4.113 4.355 4.527 4.568 4.780 4.969 5.109 5.354 5.526 5.644 5.798 5.941 5.980 6.063 6.128 6.240 19720531 3.506 3.835 4.232 4.446 4.631 4.630 4.760 4.855 4.947 5.178 5.382 5.563 5.715 5.894 5.937 5.996 6.042 6.249 19720630 3.699 4.101 4.664 5.054 5.254 5.182 5.311 5.382 5.438 5.556 5.702 5.855 5.909 6.057 6.019 5.999 5.984 6.301 19720731 3.516 3.857 4.409 4.750 4.950 5.012 5.053 5.151 5.248 5.428 5.667 5.862 5.891 6.017 6.024 6.045 6.060 6.329 19720831 4.321 4.607 5.065 5.245 5.486 5.549 5.583 5.583 5.635 5.762 5.893 6.117 6.083 6.219 6.382 6.261 6.197 6.410 19720929 4.514 4.641 5.276 5.456 5.687 5.695 5.729 5.780 5.791 5.829 5.932 6.010 6.055 6.168 6.259 6.337 6.426 6.497 19721031 4.544 4.820 5.215 5.393 5.541 5.595 5.716 5.741 5.758 5.864 5.937 6.087 6.094 6.182 6.240 6.287 6.335 6.417 19721130 4.678 4.951 5.279 5.362 5.396 5.365 5.498 5.603 5.644 5.773 5.812 6.014 6.009 6.040 6.109 6.164 6.247 6.333 19721229 5.014 5.218 5.501 5.525 5.634 5.673 5.768 5.845 5.915 5.999 5.992 6.066 6.170 6.181 6.219 6.212 6.306 6.400 19730131 5.575 5.770 5.982 5.905 6.148 6.185 6.197 6.164 6.213 6.248 6.281 6.375 6.303 6.298 6.293 6.322 6.318 6.451 19730228 5.555 5.943 6.263 6.016 6.409 6.481 6.508 6.522 6.522 6.543 6.585 6.614 6.594 6.554 6.591 6.421 6.415 6.551 19730330 6.115 6.507 6.946 6.786 6.995 6.884 6.899 6.879 6.804 6.808 6.702 6.636 6.651 6.592 6.701 6.628 6.528 6.581 19730430 5.991 6.385 6.704 6.720 6.705 6.684 6.647 6.646 6.636 6.615 6.635 6.554 6.573 6.537 6.695 6.676 6.501 6.551 19730531 6.606 7.052 7.107 7.103 6.949 6.907 6.813 6.810 6.734 6.711 6.622 6.547 6.599 6.530 6.692 6.695 6.809 6.825 19730629 7.441 7.629 7.849 7.691 7.782 7.418 7.297 6.993 6.966 6.896 6.882 6.715 6.720 6.634 6.940 6.832 6.782 6.795 19730731 8.318 8.462 8.639 8.688 8.632 8.498 8.246 7.994 7.966 7.826 7.798 7.837 7.644 7.343 7.339 7.215 7.173 7.199 19730831 8.587 8.824 8.905 8.478 8.370 8.034 7.686 7.627 7.713 7.420 7.251 7.132 7.054 6.875 7.119 7.122 7.088 7.032 19730928 7.340 7.110 7.732 7.770 7.685 7.229 6.967 6.853 6.956 6.608 6.607 6.589 6.544 6.563 6.676 6.733 6.762 6.719 19731031 6.933 7.484 7.586 7.564 7.126 6.791 6.701 6.659 6.726 6.693 6.644 6.676 6.636 6.662 6.653 6.510 6.513 6.578 19731130 7.453 7.475 7.940 7.895 7.417 6.792 6.788 6.779 6.699 6.629 6.611 6.601 6.612 6.719 6.579 6.434 6.503 6.577 19731231 7.369 7.596 7.639 7.469 7.129 6.952 6.927 6.771 6.693 6.683 6.636 6.662 6.686 6.667 6.644 6.613 6.676 6.738 19740131 7.555 7.631 7.410 7.297 6.890 6.760 6.768 6.677 6.674 6.696 6.713 6.753 6.746 6.822 6.699 6.864 6.890 6.895 19740228 7.382 7.600 7.547 7.237 7.025 6.828 6.832 6.764 6.818 6.812 6.691 6.798 6.810 6.863 6.918 6.699 6.724 6.744 19740329 8.505 8.481 8.454 8.367 8.128 7.916 7.842 7.677 7.690 7.599 7.580 7.503 7.419 7.515 7.413 7.173 7.189 7.202 19740430 8.864 9.080 9.036 8.918 8.676 8.669 8.608 8.346 8.154 8.150 8.062 8.012 7.942 7.876 7.801 7.517 7.621 7.705 19740531 7.839 8.241 8.550 8.496 8.472 8.336 8.071 8.101 7.978 7.929 7.942 7.906 7.734 7.875 7.697 7.495 7.600 7.684 19740628 7.698 7.749 8.158 8.515 8.617 8.280 8.105 8.168 8.266 8.223 8.148 8.218 8.080 8.032 7.572 7.594 7.438 7.313 19740731 7.720 7.811 8.449 8.439 8.663 8.390 8.415 8.406 8.372 8.466 8.324 8.340 8.192 8.238 7.711 7.926 7.744 7.598 19740830 9.221 9.112 9.725 9.754 9.674 9.185 9.019 8.824 8.659 8.582 8.422 8.325 8.381 8.421 7.860 8.190 7.984 7.830 19740930 6.175 6.360 7.627 8.330 7.897 8.050 7.935 7.987 8.037 8.008 7.817 7.874 7.844 7.947 7.781 7.794 7.663 7.593 19741031 6.677 7.951 8.000 7.961 7.647 7.587 7.618 7.582 7.708 7.801 7.726 7.770 7.779 7.846 7.436 7.500 7.435 7.383 19741129 7.504 7.608 7.779 7.704 7.508 7.191 7.218 7.176 7.197 7.323 7.316 7.325 7.393 7.567 7.239 7.323 7.299 7.279 19741231 6.541 7.153 7.241 7.124 6.880 7.051 7.097 7.213 7.173 7.146 7.150 7.147 7.097 7.168 7.189 7.042 6.923 6.896 19750131 5.544 5.767 5.994 6.045 6.091 6.253 6.422 6.468 6.644 6.781 6.845 7.033 7.162 7.253 7.125 7.057 6.991 6.938 19750228 4.759 5.485 5.723 5.806 5.868 5.907 5.970 6.124 6.117 6.363 6.502 6.613 6.940 7.185 7.008 6.959 6.922 6.892 19750331 5.278 5.652 5.880 5.985 6.190 6.353 6.539 6.596 6.689 6.813 6.975 7.210 7.297 7.472 7.218 7.375 7.497 7.595 19750430 5.217 5.573 6.052 6.461 6.665 6.944 7.117 7.275 7.387 7.507 7.716 7.856 7.855 7.775 7.643 7.724 7.786 7.836 19750530 4.973 5.273 5.555 5.876 5.996 6.237 6.452 6.666 6.774 6.925 7.095 7.289 7.415 7.636 7.805 7.798 7.793 7.790 19750630 5.655 6.028 6.287 6.523 6.703 6.863 6.933 7.072 7.066 7.108 7.341 7.592 7.595 7.703 7.757 7.560 7.407 7.285 19750731 6.034 6.351 6.863 7.078 7.173 7.229 7.265 7.437 7.542 7.570 7.767 7.735 7.837 7.421 7.436 7.385 7.345 7.313 19750829 5.972 6.474 7.068 7.274 7.325 7.432 7.476 7.652 7.622 7.540 7.788 7.910 7.980 7.935 8.104 8.028 7.970 7.923 19750930 6.297 6.642 7.201 7.458 7.545 7.531 7.751 7.895 8.007 8.085 8.021 8.261 8.115 8.210 8.322 8.169 8.050 7.954 19751031 5.319 5.599 5.840 6.021 6.161 6.413 6.673 6.807 6.913 7.087 7.114 7.292 7.544 7.638 7.751 7.798 7.835 7.865 19751128 5.220 5.639 6.133 6.366 6.439 6.714 6.868 7.096 7.138 7.335 7.308 7.354 7.710 7.839 8.043 7.936 7.853 7.786 19751231 5.075 5.285 5.613 5.862 5.977 6.299 6.447 6.569 6.619 6.885 6.955 7.220 7.357 7.453 7.653 7.703 7.742 7.772 19760130 4.524 4.802 5.110 5.362 5.516 5.778 5.982 6.174 6.255 6.668 6.873 7.168 7.384 7.477 7.743 7.755 7.764 7.771 19760227 4.657 5.093 5.638 5.834 5.995 6.313 6.445 6.541 6.668 6.885 7.045 7.196 7.336 7.410 7.652 7.694 7.726 7.752 19760331 4.780 5.047 5.487 5.735 5.997 6.179 6.360 6.499 6.620 6.748 6.937 7.165 7.294 7.350 7.507 7.364 7.253 7.164 19760430 4.697 4.995 5.421 5.711 5.928 6.153 6.341 6.449 6.569 6.585 6.877 7.014 7.269 7.375 7.445 7.381 7.332 7.293 19760528 5.258 5.595 6.067 6.379 6.586 6.864 6.950 7.140 7.151 7.248 7.400 7.532 7.623 7.710 7.756 7.815 7.861 7.897 19760630 5.300 5.461 5.906 6.161 6.346 6.498 6.625 6.790 6.921 6.997 7.109 7.360 7.467 7.586 7.654 7.723 7.775 7.812 19760730 5.085 5.273 5.641 5.864 6.023 6.262 6.404 6.555 6.657 6.821 6.908 7.163 7.271 7.572 7.647 7.737 7.807 7.574 19760831 4.984 5.171 5.482 5.679 5.826 6.044 6.262 6.376 6.482 6.594 6.667 6.988 7.167 7.342 7.443 7.561 7.652 7.630 19760930 5.085 5.157 5.440 5.576 5.726 5.867 6.018 6.155 6.227 6.433 6.577 6.732 6.912 7.218 7.345 7.439 7.512 7.547 19761029 4.759 4.984 5.191 5.311 5.420 5.631 5.810 5.934 5.918 6.194 6.238 6.474 6.731 7.040 7.200 7.313 7.401 7.448 19761130 4.350 4.499 4.670 4.806 4.918 5.071 5.170 5.329 5.329 5.506 5.608 5.863 6.056 6.448 6.381 6.582 6.986 7.163 19761231 4.260 4.413 4.609 4.742 4.771 5.019 5.155 5.244 5.305 5.513 5.686 5.775 6.091 6.411 6.351 6.429 6.756 6.892 19770131 4.554 4.827 5.153 5.341 5.591 5.808 5.966 5.988 6.030 6.264 6.485 6.721 6.756 7.045 7.095 7.244 7.360 7.401 19770228 4.535 4.789 5.073 5.288 5.462 5.691 5.795 5.961 5.992 6.228 6.416 6.764 6.884 7.106 7.198 7.333 7.437 7.377 19770331 4.535 4.612 4.888 5.153 5.322 5.583 5.719 5.831 5.920 6.177 6.354 6.676 6.846 7.058 7.098 7.101 7.391 7.340 19770429 4.391 4.766 5.039 5.336 5.462 5.656 5.809 5.960 6.001 6.196 6.314 6.713 6.834 7.032 7.241 7.357 7.447 7.466 19770531 4.839 5.104 5.353 5.555 5.649 5.845 5.934 6.049 6.085 6.223 6.337 6.647 6.805 6.938 7.142 7.261 7.349 6.984 19770630 4.953 5.074 5.326 5.496 5.613 5.719 5.794 5.886 5.976 6.083 6.175 6.468 6.620 6.755 6.979 7.096 7.179 6.880 19770729 5.350 5.499 5.859 5.964 6.114 6.117 6.229 6.306 6.371 6.499 6.520 6.787 6.911 7.012 7.232 7.313 7.347 7.375 19770831 5.381 5.666 6.023 6.114 6.241 6.283 6.333 6.338 6.485 6.502 6.622 6.767 6.845 6.862 6.975 7.139 7.208 7.274 19770930 5.819 6.022 6.370 6.414 6.479 6.514 6.573 6.600 6.701 6.764 6.794 6.891 6.998 6.979 7.131 7.238 7.324 7.354 19771031 5.828 6.206 6.541 6.731 6.787 6.858 6.903 6.970 7.024 7.094 7.128 7.220 7.279 7.237 7.346 7.441 7.457 7.467 19771130 5.698 6.190 6.550 6.703 6.630 6.777 6.806 6.927 6.988 6.976 7.052 7.127 7.204 7.156 7.282 7.380 7.415 7.470 19771230 5.758 6.254 6.634 6.771 6.840 6.919 6.924 7.055 7.090 7.161 7.172 7.328 7.453 7.463 7.529 7.647 7.667 7.705 19780131 6.001 6.551 6.884 7.010 7.075 7.144 7.224 7.268 7.331 7.378 7.410 7.544 7.594 7.659 7.713 7.794 7.802 7.845 19780228 6.238 6.535 6.899 7.063 7.138 7.169 7.261 7.339 7.424 7.480 7.564 7.666 7.730 7.780 7.842 7.867 7.784 7.932 19780331 6.502 6.616 6.948 7.158 7.321 7.320 7.407 7.462 7.553 7.559 7.645 7.756 7.812 7.877 7.928 7.962 7.870 8.037 19780428 6.095 6.382 6.992 7.228 7.341 7.473 7.572 7.661 7.713 7.678 7.766 7.833 7.910 7.931 8.004 8.045 7.970 8.107 19780531 6.514 6.780 7.374 7.624 7.768 7.879 7.918 7.938 7.942 7.941 7.981 8.024 8.127 8.116 8.177 8.245 8.265 8.300 19780630 6.564 7.183 7.648 8.012 8.197 8.232 8.240 8.301 8.293 8.276 8.311 8.311 8.317 8.286 8.367 8.444 8.437 8.477 19780731 6.522 6.971 7.576 7.982 8.056 8.223 8.205 8.167 8.281 8.217 8.256 8.215 8.251 8.265 8.308 8.315 8.320 8.414 19780831 7.607 7.703 7.937 8.132 8.259 8.262 8.285 8.168 8.268 8.206 8.163 8.179 8.193 8.166 8.258 8.157 8.187 8.198 19780929 8.025 8.184 8.605 8.643 8.552 8.556 8.556 8.435 8.446 8.297 8.251 8.275 8.281 8.262 8.369 8.281 8.296 8.374 19781031 8.542 8.896 9.535 9.688 9.511 9.336 9.228 9.150 9.237 9.030 9.068 9.005 8.725 8.647 8.759 8.690 8.659 8.684 19781130 9.069 9.226 9.601 9.786 9.750 9.656 9.308 9.376 9.292 9.034 8.885 8.696 8.539 8.553 8.664 8.549 8.570 8.633 19781229 9.115 9.500 9.844 10.263 10.163 10.209 10.025 9.925 9.641 9.614 9.372 9.102 9.020 8.898 8.968 8.801 8.846 8.867 19790131 9.521 9.521 9.710 9.873 9.788 9.669 9.605 9.512 9.375 9.193 8.928 8.713 8.706 8.638 8.740 8.690 8.670 8.694 19790228 9.592 9.684 9.859 10.014 9.914 9.598 9.709 9.690 9.613 9.283 9.039 9.030 9.041 8.874 9.001 8.956 8.914 8.856 19790330 9.651 9.678 9.833 9.877 9.607 9.547 9.515 9.499 9.441 9.284 9.042 8.950 8.921 8.811 8.886 8.868 8.860 8.813 19790430 9.576 9.761 9.927 9.944 9.989 9.721 9.638 9.661 9.634 9.471 9.183 9.099 9.061 8.968 9.093 9.076 9.141 9.006 19790531 9.694 9.819 9.814 9.705 9.627 9.353 9.359 9.341 9.289 9.048 8.820 8.814 8.685 8.688 8.808 8.790 8.840 8.850 19790629 8.996 9.167 9.271 9.281 9.132 8.773 8.723 8.695 8.673 8.617 8.527 8.494 8.348 8.437 8.570 8.522 8.619 8.624 19790731 9.104 9.389 9.616 9.643 9.429 9.296 9.089 9.067 9.053 8.768 8.799 8.715 8.591 8.714 8.766 8.766 8.787 8.773 19790831 10.061 10.061 10.175 10.216 10.055 9.980 9.736 9.581 9.548 9.154 9.227 9.049 8.857 9.027 9.052 8.979 8.976 8.915 19790928 10.286 10.395 10.529 10.554 10.575 10.259 10.127 9.923 9.780 9.585 9.500 9.222 9.094 9.213 9.188 9.107 9.206 9.128 19791031 11.725 12.449 12.640 12.768 12.431 12.054 11.814 11.732 11.646 11.276 11.230 10.824 10.622 10.648 10.489 10.362 10.412 10.307 19791130 11.073 11.640 11.940 11.689 11.178 10.884 10.795 10.892 10.962 10.296 10.161 9.965 9.973 10.090 10.133 9.989 9.944 10.056 19791231 11.171 12.314 12.324 11.688 11.177 10.959 10.921 10.829 10.846 10.529 10.381 10.122 9.963 10.077 10.011 9.956 9.944 10.011 19800131 11.785 12.343 12.398 12.033 11.979 11.472 11.360 11.428 11.365 10.927 10.782 10.699 10.598 10.832 10.866 10.816 10.795 10.754 19800229 13.682 14.400 14.672 14.729 14.833 14.379 14.112 14.177 14.155 13.639 13.237 12.667 12.191 12.342 12.409 12.038 12.273 11.558 19800331 15.061 15.416 15.427 15.353 15.145 14.671 14.502 14.370 13.985 13.794 13.021 12.281 12.245 12.295 12.000 12.071 12.055 11.911 19800430 9.683 10.638 10.812 11.043 10.382 10.320 10.289 10.541 10.521 10.083 10.191 10.022 10.179 10.350 10.515 10.273 10.623 10.553 19800530 7.376 7.921 8.275 8.441 8.522 8.714 8.892 9.169 8.769 8.950 9.077 9.282 9.591 9.666 9.754 9.946 10.008 10.256 19800630 7.016 8.067 8.170 8.298 8.220 8.539 8.628 8.956 8.748 8.944 9.042 9.166 9.402 9.453 9.583 9.724 9.845 10.000 19800731 8.387 8.811 8.974 9.032 8.910 9.232 9.437 9.611 9.480 9.523 9.746 9.737 10.083 10.037 10.075 10.283 10.570 10.665 19800829 9.455 10.193 10.648 10.889 11.001 11.254 11.431 11.275 10.985 11.042 11.235 11.174 11.286 11.341 11.066 11.046 11.216 11.246 19800930 11.173 11.614 11.936 12.056 11.759 11.711 11.920 11.769 11.713 11.537 11.583 11.615 11.510 11.396 11.353 11.394 11.566 11.516 19801031 11.691 13.081 13.365 13.284 12.953 12.769 12.727 12.773 12.634 12.328 12.340 12.102 12.259 12.047 11.944 11.957 12.100 11.993 19801128 14.662 14.667 14.803 14.513 14.148 13.725 13.593 13.483 13.151 12.860 12.837 12.527 12.579 12.112 12.060 11.869 11.876 12.287 19801231 13.376 14.724 14.437 13.987 13.387 12.497 12.656 12.479 12.383 12.162 11.971 12.244 11.881 11.879 11.837 11.872 11.688 11.631 19810130 14.422 15.036 14.282 13.994 13.490 13.190 13.189 12.794 12.683 12.370 12.255 12.196 12.267 12.133 12.309 12.148 12.065 11.978 19810227 14.329 14.657 14.554 14.191 14.034 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