Frequencies for kneereplacementper1000medicareen variable in 1997_surg_discharg Knee | Replacement | per 1000 | Medicare | Enrollees | 1997 | Freq. Percent Cum. ------------+----------------------------------- 2.043178 | 1 0.33 0.33 2.373737 | 1 0.33 0.65 2.584336 | 1 0.33 0.98 2.593305 | 1 0.33 1.30 2.64114 | 1 0.33 1.63 2.791407 | 1 0.33 1.95 2.93769 | 1 0.33 2.28 3.029979 | 1 0.33 2.61 3.03768 | 1 0.33 2.93 3.197696 | 1 0.33 3.26 3.277364 | 1 0.33 3.58 3.286439 | 1 0.33 3.91 3.303868 | 1 0.33 4.23 3.389134 | 1 0.33 4.56 3.433803 | 1 0.33 4.89 3.437456 | 1 0.33 5.21 3.495751 | 1 0.33 5.54 3.496103 | 1 0.33 5.86 3.499118 | 1 0.33 6.19 3.586096 | 1 0.33 6.51 3.588725 | 1 0.33 6.84 3.734123 | 1 0.33 7.17 3.790169 | 1 0.33 7.49 3.810028 | 1 0.33 7.82 3.815974 | 1 0.33 8.14 3.832215 | 1 0.33 8.47 3.838816 | 1 0.33 8.79 3.84653 | 1 0.33 9.12 3.881274 | 1 0.33 9.45 3.896019 | 1 0.33 9.77 3.915541 | 1 0.33 10.10 3.969416 | 1 0.33 10.42 4.072722 | 1 0.33 10.75 4.081258 | 1 0.33 11.07 4.108593 | 1 0.33 11.40 4.110639 | 1 0.33 11.73 4.131021 | 1 0.33 12.05 4.138318 | 1 0.33 12.38 4.195028 | 1 0.33 12.70 4.249948 | 1 0.33 13.03 4.250813 | 1 0.33 13.36 4.316182 | 1 0.33 13.68 4.316185 | 1 0.33 14.01 4.327491 | 1 0.33 14.33 4.340163 | 1 0.33 14.66 4.341693 | 1 0.33 14.98 4.344978 | 1 0.33 15.31 4.355114 | 1 0.33 15.64 4.383026 | 1 0.33 15.96 4.397238 | 1 0.33 16.29 4.423769 | 1 0.33 16.61 4.431082 | 1 0.33 16.94 4.43114 | 1 0.33 17.26 4.465959 | 1 0.33 17.59 4.475037 | 1 0.33 17.92 4.483653 | 1 0.33 18.24 4.483938 | 1 0.33 18.57 4.501269 | 1 0.33 18.89 4.502714 | 1 0.33 19.22 4.518546 | 1 0.33 19.54 4.524585 | 1 0.33 19.87 4.529376 | 1 0.33 20.20 4.532325 | 1 0.33 20.52 4.56963 | 1 0.33 20.85 4.580472 | 1 0.33 21.17 4.586511 | 1 0.33 21.50 4.594107 | 1 0.33 21.82 4.609224 | 1 0.33 22.15 4.648591 | 1 0.33 22.48 4.658566 | 1 0.33 22.80 4.661068 | 1 0.33 23.13 4.675399 | 1 0.33 23.45 4.704444 | 1 0.33 23.78 4.732786 | 1 0.33 24.10 4.737281 | 1 0.33 24.43 4.740111 | 1 0.33 24.76 4.78443 | 1 0.33 25.08 4.792107 | 1 0.33 25.41 4.79975 | 1 0.33 25.73 4.812306 | 1 0.33 26.06 4.813663 | 1 0.33 26.38 4.814717 | 1 0.33 26.71 4.819511 | 1 0.33 27.04 4.82368 | 1 0.33 27.36 4.826202 | 1 0.33 27.69 4.858597 | 1 0.33 28.01 4.872214 | 1 0.33 28.34 4.872694 | 1 0.33 28.66 4.87567 | 1 0.33 28.99 4.876245 | 1 0.33 29.32 4.888336 | 1 0.33 29.64 4.893133 | 1 0.33 29.97 4.919124 | 1 0.33 30.29 4.922688 | 1 0.33 30.62 4.925273 | 1 0.33 30.94 4.939966 | 1 0.33 31.27 4.955585 | 1 0.33 31.60 4.96502 | 1 0.33 31.92 4.96512 | 1 0.33 32.25 4.97409 | 1 0.33 32.57 4.979876 | 1 0.33 32.90 4.989177 | 1 0.33 33.22 4.995535 | 1 0.33 33.55 4.999486 | 1 0.33 33.88 4.999917 | 1 0.33 34.20 5.005903 | 1 0.33 34.53 5.015386 | 1 0.33 34.85 5.025391 | 1 0.33 35.18 5.026109 | 1 0.33 35.50 5.034513 | 1 0.33 35.83 5.038259 | 1 0.33 36.16 5.044838 | 1 0.33 36.48 5.055169 | 1 0.33 36.81 5.06214 | 1 0.33 37.13 5.071752 | 1 0.33 37.46 5.087374 | 1 0.33 37.79 5.091914 | 1 0.33 38.11 5.09242 | 1 0.33 38.44 5.111422 | 1 0.33 38.76 5.123488 | 1 0.33 39.09 5.131752 | 1 0.33 39.41 5.158408 | 1 0.33 39.74 5.158685 | 1 0.33 40.07 5.166158 | 1 0.33 40.39 5.170363 | 1 0.33 40.72 5.172945 | 1 0.33 41.04 5.174911 | 1 0.33 41.37 5.176293 | 1 0.33 41.69 5.182702 | 1 0.33 42.02 5.184144 | 1 0.33 42.35 5.188547 | 1 0.33 42.67 5.199189 | 1 0.33 43.00 5.220564 | 1 0.33 43.32 5.220602 | 1 0.33 43.65 5.240177 | 1 0.33 43.97 5.249487 | 1 0.33 44.30 5.271643 | 1 0.33 44.63 5.280489 | 1 0.33 44.95 5.292157 | 1 0.33 45.28 5.306932 | 1 0.33 45.60 5.307669 | 1 0.33 45.93 5.312053 | 1 0.33 46.25 5.314979 | 1 0.33 46.58 5.323477 | 1 0.33 46.91 5.333372 | 1 0.33 47.23 5.348085 | 1 0.33 47.56 5.351682 | 1 0.33 47.88 5.400759 | 1 0.33 48.21 5.410271 | 1 0.33 48.53 5.411018 | 1 0.33 48.86 5.41292 | 1 0.33 49.19 5.418836 | 1 0.33 49.51 5.43031 | 1 0.33 49.84 5.432003 | 1 0.33 50.16 5.451751 | 1 0.33 50.49 5.464375 | 1 0.33 50.81 5.464808 | 1 0.33 51.14 5.484424 | 1 0.33 51.47 5.495482 | 1 0.33 51.79 5.510898 | 1 0.33 52.12 5.524239 | 1 0.33 52.44 5.525632 | 1 0.33 52.77 5.526808 | 1 0.33 53.09 5.528822 | 1 0.33 53.42 5.534594 | 1 0.33 53.75 5.535866 | 1 0.33 54.07 5.541826 | 1 0.33 54.40 5.543472 | 1 0.33 54.72 5.550886 | 1 0.33 55.05 5.562724 | 1 0.33 55.37 5.577801 | 1 0.33 55.70 5.594684 | 1 0.33 56.03 5.604429 | 1 0.33 56.35 5.629156 | 1 0.33 56.68 5.678791 | 1 0.33 57.00 5.683599 | 1 0.33 57.33 5.683815 | 1 0.33 57.65 5.684721 | 1 0.33 57.98 5.688875 | 1 0.33 58.31 5.701784 | 1 0.33 58.63 5.70433 | 1 0.33 58.96 5.705258 | 1 0.33 59.28 5.711968 | 1 0.33 59.61 5.716119 | 1 0.33 59.93 5.727691 | 1 0.33 60.26 5.745179 | 1 0.33 60.59 5.762967 | 1 0.33 60.91 5.803513 | 1 0.33 61.24 5.803553 | 1 0.33 61.56 5.807587 | 1 0.33 61.89 5.824727 | 1 0.33 62.21 5.841228 | 1 0.33 62.54 5.846874 | 1 0.33 62.87 5.850373 | 1 0.33 63.19 5.866883 | 1 0.33 63.52 5.873399 | 1 0.33 63.84 5.877274 | 1 0.33 64.17 5.884005 | 1 0.33 64.50 5.909899 | 1 0.33 64.82 5.93603 | 1 0.33 65.15 5.949183 | 1 0.33 65.47 5.971018 | 1 0.33 65.80 5.98727 | 1 0.33 66.12 5.989233 | 1 0.33 66.45 5.989333 | 1 0.33 66.78 5.996102 | 1 0.33 67.10 5.999721 | 1 0.33 67.43 6.00492 | 1 0.33 67.75 6.017666 | 1 0.33 68.08 6.02101 | 1 0.33 68.40 6.033485 | 1 0.33 68.73 6.047195 | 1 0.33 69.06 6.087731 | 1 0.33 69.38 6.092311 | 1 0.33 69.71 6.107037 | 1 0.33 70.03 6.135636 | 1 0.33 70.36 6.189125 | 1 0.33 70.68 6.211106 | 1 0.33 71.01 6.211464 | 1 0.33 71.34 6.224938 | 1 0.33 71.66 6.230731 | 1 0.33 71.99 6.247365 | 1 0.33 72.31 6.267575 | 1 0.33 72.64 6.277314 | 1 0.33 72.96 6.281448 | 1 0.33 73.29 6.336885 | 1 0.33 73.62 6.342556 | 1 0.33 73.94 6.3596 | 1 0.33 74.27 6.370194 | 1 0.33 74.59 6.402865 | 1 0.33 74.92 6.403399 | 1 0.33 75.24 6.447153 | 1 0.33 75.57 6.44886 | 1 0.33 75.90 6.458483 | 1 0.33 76.22 6.472091 | 1 0.33 76.55 6.473053 | 1 0.33 76.87 6.477389 | 1 0.33 77.20 6.479924 | 1 0.33 77.52 6.48296 | 1 0.33 77.85 6.489608 | 1 0.33 78.18 6.490267 | 1 0.33 78.50 6.501825 | 1 0.33 78.83 6.505062 | 1 0.33 79.15 6.52746 | 1 0.33 79.48 6.573629 | 1 0.33 79.80 6.586269 | 1 0.33 80.13 6.591243 | 1 0.33 80.46 6.594392 | 1 0.33 80.78 6.603142 | 1 0.33 81.11 6.623324 | 1 0.33 81.43 6.635722 | 1 0.33 81.76 6.662028 | 1 0.33 82.08 6.667622 | 1 0.33 82.41 6.680426 | 1 0.33 82.74 6.686018 | 1 0.33 83.06 6.696571 | 1 0.33 83.39 6.705053 | 1 0.33 83.71 6.73312 | 1 0.33 84.04 6.764233 | 1 0.33 84.36 6.807353 | 1 0.33 84.69 6.814994 | 1 0.33 85.02 6.827416 | 1 0.33 85.34 6.87143 | 1 0.33 85.67 6.87159 | 1 0.33 85.99 6.923258 | 1 0.33 86.32 6.935054 | 1 0.33 86.64 6.951295 | 1 0.33 86.97 6.97156 | 1 0.33 87.30 7.000583 | 1 0.33 87.62 7.027112 | 1 0.33 87.95 7.02972 | 1 0.33 88.27 7.048108 | 1 0.33 88.60 7.053686 | 1 0.33 88.93 7.065232 | 1 0.33 89.25 7.19889 | 1 0.33 89.58 7.199247 | 1 0.33 89.90 7.199844 | 1 0.33 90.23 7.206282 | 1 0.33 90.55 7.282331 | 1 0.33 90.88 7.450606 | 1 0.33 91.21 7.466643 | 1 0.33 91.53 7.514018 | 1 0.33 91.86 7.612894 | 1 0.33 92.18 7.685174 | 1 0.33 92.51 7.728203 | 1 0.33 92.83 7.740709 | 1 0.33 93.16 7.786722 | 1 0.33 93.49 7.869463 | 1 0.33 93.81 7.888983 | 1 0.33 94.14 7.917306 | 1 0.33 94.46 7.991728 | 1 0.33 94.79 8.076972 | 1 0.33 95.11 8.101978 | 1 0.33 95.44 8.144783 | 1 0.33 95.77 8.149556 | 1 0.33 96.09 8.158807 | 1 0.33 96.42 8.230507 | 1 0.33 96.74 8.517429 | 1 0.33 97.07 8.522314 | 1 0.33 97.39 8.679717 | 1 0.33 97.72 8.835188 | 1 0.33 98.05 8.894795 | 1 0.33 98.37 8.906613 | 1 0.33 98.70 8.930054 | 1 0.33 99.02 8.963314 | 1 0.33 99.35 9.647027 | 1 0.33 99.67 10.28053 | 1 0.33 100.00 ------------+----------------------------------- Total | 307 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018