Frequencies for kneereplacementper1000medicareen variable in 1998_surg_discharg Knee | Replacement | per 1000 | Medicare | Enrollees | 1998 | Freq. Percent Cum. ------------+----------------------------------- 2.0759 | 1 0.33 0.33 2.583985 | 1 0.33 0.65 2.591837 | 1 0.33 0.98 2.595638 | 1 0.33 1.30 2.731169 | 1 0.33 1.63 2.910903 | 1 0.33 1.95 2.938015 | 1 0.33 2.28 2.974358 | 1 0.33 2.61 3.012885 | 1 0.33 2.93 3.01747 | 1 0.33 3.26 3.041812 | 1 0.33 3.58 3.059965 | 1 0.33 3.91 3.106571 | 1 0.33 4.23 3.157401 | 1 0.33 4.56 3.216392 | 1 0.33 4.89 3.278302 | 1 0.33 5.21 3.330609 | 1 0.33 5.54 3.357742 | 1 0.33 5.86 3.362098 | 1 0.33 6.19 3.419294 | 1 0.33 6.51 3.570385 | 1 0.33 6.84 3.63405 | 1 0.33 7.17 3.664074 | 1 0.33 7.49 3.676822 | 1 0.33 7.82 3.680578 | 1 0.33 8.14 3.727723 | 1 0.33 8.47 3.775178 | 1 0.33 8.79 3.788393 | 1 0.33 9.12 3.801008 | 1 0.33 9.45 3.806181 | 1 0.33 9.77 3.80787 | 1 0.33 10.10 3.852801 | 1 0.33 10.42 3.896369 | 1 0.33 10.75 3.920037 | 1 0.33 11.07 3.957834 | 1 0.33 11.40 3.995621 | 1 0.33 11.73 4.003294 | 1 0.33 12.05 4.008482 | 1 0.33 12.38 4.030924 | 1 0.33 12.70 4.037577 | 1 0.33 13.03 4.044908 | 1 0.33 13.36 4.064281 | 1 0.33 13.68 4.096257 | 1 0.33 14.01 4.100297 | 1 0.33 14.33 4.105847 | 1 0.33 14.66 4.106081 | 1 0.33 14.98 4.111216 | 1 0.33 15.31 4.126401 | 1 0.33 15.64 4.127414 | 1 0.33 15.96 4.152696 | 1 0.33 16.29 4.183836 | 1 0.33 16.61 4.186657 | 1 0.33 16.94 4.195071 | 1 0.33 17.26 4.242872 | 1 0.33 17.59 4.254804 | 1 0.33 17.92 4.282753 | 1 0.33 18.24 4.289007 | 1 0.33 18.57 4.323344 | 1 0.33 18.89 4.3628 | 1 0.33 19.22 4.372337 | 1 0.33 19.54 4.37308 | 1 0.33 19.87 4.377848 | 1 0.33 20.20 4.387886 | 1 0.33 20.52 4.428868 | 1 0.33 20.85 4.439816 | 1 0.33 21.17 4.453444 | 1 0.33 21.50 4.503096 | 1 0.33 21.82 4.515582 | 1 0.33 22.15 4.540623 | 1 0.33 22.48 4.559165 | 1 0.33 22.80 4.580241 | 1 0.33 23.13 4.583296 | 1 0.33 23.45 4.612654 | 1 0.33 23.78 4.613796 | 1 0.33 24.10 4.626306 | 1 0.33 24.43 4.664801 | 1 0.33 24.76 4.680595 | 1 0.33 25.08 4.68114 | 1 0.33 25.41 4.691309 | 1 0.33 25.73 4.701901 | 1 0.33 26.06 4.711184 | 1 0.33 26.38 4.726283 | 1 0.33 26.71 4.739058 | 1 0.33 27.04 4.739935 | 1 0.33 27.36 4.740627 | 1 0.33 27.69 4.762795 | 1 0.33 28.01 4.766937 | 1 0.33 28.34 4.778016 | 1 0.33 28.66 4.781359 | 1 0.33 28.99 4.787752 | 1 0.33 29.32 4.789222 | 1 0.33 29.64 4.797476 | 1 0.33 29.97 4.808742 | 1 0.33 30.29 4.825665 | 1 0.33 30.62 4.85242 | 1 0.33 30.94 4.864627 | 1 0.33 31.27 4.879868 | 1 0.33 31.60 4.88401 | 1 0.33 31.92 4.887334 | 1 0.33 32.25 4.892985 | 1 0.33 32.57 4.899504 | 1 0.33 32.90 4.904364 | 1 0.33 33.22 4.920585 | 1 0.33 33.55 4.946565 | 1 0.33 33.88 4.972732 | 1 0.33 34.20 4.98048 | 1 0.33 34.53 4.981435 | 1 0.33 34.85 4.999167 | 1 0.33 35.18 5.007303 | 1 0.33 35.50 5.0101 | 1 0.33 35.83 5.012208 | 1 0.33 36.16 5.016287 | 1 0.33 36.48 5.020319 | 1 0.33 36.81 5.026518 | 1 0.33 37.13 5.041324 | 1 0.33 37.46 5.049515 | 1 0.33 37.79 5.052466 | 1 0.33 38.11 5.055305 | 1 0.33 38.44 5.057189 | 1 0.33 38.76 5.061975 | 1 0.33 39.09 5.065802 | 1 0.33 39.41 5.07158 | 1 0.33 39.74 5.089432 | 1 0.33 40.07 5.089922 | 1 0.33 40.39 5.120283 | 1 0.33 40.72 5.134563 | 1 0.33 41.04 5.138365 | 1 0.33 41.37 5.14852 | 1 0.33 41.69 5.15243 | 1 0.33 42.02 5.155916 | 1 0.33 42.35 5.158896 | 1 0.33 42.67 5.159471 | 1 0.33 43.00 5.207026 | 1 0.33 43.32 5.207201 | 1 0.33 43.65 5.211188 | 1 0.33 43.97 5.214699 | 1 0.33 44.30 5.226387 | 1 0.33 44.63 5.226398 | 1 0.33 44.95 5.228452 | 1 0.33 45.28 5.232575 | 1 0.33 45.60 5.233775 | 1 0.33 45.93 5.261459 | 1 0.33 46.25 5.267662 | 1 0.33 46.58 5.268336 | 1 0.33 46.91 5.269175 | 1 0.33 47.23 5.279329 | 1 0.33 47.56 5.280464 | 1 0.33 47.88 5.284027 | 1 0.33 48.21 5.285593 | 1 0.33 48.53 5.291998 | 1 0.33 48.86 5.295933 | 1 0.33 49.19 5.301859 | 1 0.33 49.51 5.303152 | 1 0.33 49.84 5.304239 | 1 0.33 50.16 5.319246 | 1 0.33 50.49 5.343061 | 1 0.33 50.81 5.349653 | 1 0.33 51.14 5.356009 | 1 0.33 51.47 5.387496 | 1 0.33 51.79 5.390102 | 1 0.33 52.12 5.42765 | 1 0.33 52.44 5.431393 | 1 0.33 52.77 5.437445 | 1 0.33 53.09 5.443547 | 1 0.33 53.42 5.456953 | 1 0.33 53.75 5.457223 | 1 0.33 54.07 5.47079 | 1 0.33 54.40 5.488992 | 1 0.33 54.72 5.490036 | 1 0.33 55.05 5.500759 | 1 0.33 55.37 5.509256 | 1 0.33 55.70 5.513596 | 1 0.33 56.03 5.516963 | 1 0.33 56.35 5.526903 | 1 0.33 56.68 5.545983 | 1 0.33 57.00 5.54727 | 1 0.33 57.33 5.549948 | 1 0.33 57.65 5.562091 | 1 0.33 57.98 5.565615 | 1 0.33 58.31 5.569427 | 1 0.33 58.63 5.598076 | 1 0.33 58.96 5.606957 | 1 0.33 59.28 5.607112 | 1 0.33 59.61 5.614899 | 1 0.33 59.93 5.624686 | 1 0.33 60.26 5.640304 | 1 0.33 60.59 5.649141 | 1 0.33 60.91 5.650138 | 1 0.33 61.24 5.651079 | 1 0.33 61.56 5.658656 | 1 0.33 61.89 5.663581 | 1 0.33 62.21 5.667047 | 1 0.33 62.54 5.667277 | 1 0.33 62.87 5.673861 | 1 0.33 63.19 5.698664 | 1 0.33 63.52 5.703298 | 1 0.33 63.84 5.705893 | 1 0.33 64.17 5.711042 | 1 0.33 64.50 5.720022 | 1 0.33 64.82 5.724201 | 1 0.33 65.15 5.742567 | 1 0.33 65.47 5.754554 | 1 0.33 65.80 5.75987 | 1 0.33 66.12 5.761421 | 1 0.33 66.45 5.768251 | 1 0.33 66.78 5.773144 | 1 0.33 67.10 5.792371 | 1 0.33 67.43 5.816905 | 1 0.33 67.75 5.82009 | 1 0.33 68.08 5.823791 | 1 0.33 68.40 5.846395 | 1 0.33 68.73 5.862297 | 1 0.33 69.06 5.882537 | 1 0.33 69.38 5.884338 | 1 0.33 69.71 5.913885 | 1 0.33 70.03 5.92213 | 1 0.33 70.36 5.924304 | 1 0.33 70.68 5.970287 | 1 0.33 71.01 5.985252 | 1 0.33 71.34 5.999356 | 1 0.33 71.66 6.009902 | 1 0.33 71.99 6.012436 | 1 0.33 72.31 6.020657 | 1 0.33 72.64 6.02475 | 1 0.33 72.96 6.038126 | 1 0.33 73.29 6.050028 | 1 0.33 73.62 6.067859 | 1 0.33 73.94 6.091087 | 1 0.33 74.27 6.104909 | 1 0.33 74.59 6.13574 | 1 0.33 74.92 6.150108 | 1 0.33 75.24 6.168161 | 1 0.33 75.57 6.231951 | 1 0.33 75.90 6.255062 | 1 0.33 76.22 6.261232 | 1 0.33 76.55 6.322665 | 1 0.33 76.87 6.323133 | 1 0.33 77.20 6.323225 | 1 0.33 77.52 6.337279 | 1 0.33 77.85 6.345537 | 1 0.33 78.18 6.356357 | 1 0.33 78.50 6.388594 | 1 0.33 78.83 6.391347 | 1 0.33 79.15 6.393929 | 1 0.33 79.48 6.394536 | 1 0.33 79.80 6.409414 | 1 0.33 80.13 6.418938 | 1 0.33 80.46 6.431055 | 1 0.33 80.78 6.431506 | 1 0.33 81.11 6.443206 | 1 0.33 81.43 6.452415 | 1 0.33 81.76 6.460986 | 1 0.33 82.08 6.524908 | 1 0.33 82.41 6.570997 | 1 0.33 82.74 6.579703 | 1 0.33 83.06 6.596634 | 1 0.33 83.39 6.60709 | 1 0.33 83.71 6.678992 | 1 0.33 84.04 6.695264 | 1 0.33 84.36 6.736496 | 1 0.33 84.69 6.738882 | 1 0.33 85.02 6.746614 | 1 0.33 85.34 6.788909 | 1 0.33 85.67 6.789486 | 1 0.33 85.99 6.794851 | 1 0.33 86.32 6.823322 | 1 0.33 86.64 6.827647 | 1 0.33 86.97 6.867538 | 1 0.33 87.30 6.873847 | 1 0.33 87.62 6.907323 | 1 0.33 87.95 6.962591 | 1 0.33 88.27 6.966242 | 1 0.33 88.60 6.982804 | 1 0.33 88.93 7.026605 | 1 0.33 89.25 7.062244 | 1 0.33 89.58 7.074918 | 1 0.33 89.90 7.098026 | 1 0.33 90.23 7.146801 | 1 0.33 90.55 7.246718 | 1 0.33 90.88 7.258478 | 1 0.33 91.21 7.262047 | 1 0.33 91.53 7.295491 | 1 0.33 91.86 7.299185 | 1 0.33 92.18 7.304374 | 1 0.33 92.51 7.443782 | 1 0.33 92.83 7.453701 | 1 0.33 93.16 7.480479 | 1 0.33 93.49 7.619654 | 1 0.33 93.81 7.645977 | 1 0.33 94.14 7.652597 | 1 0.33 94.46 7.702894 | 1 0.33 94.79 7.76199 | 1 0.33 95.11 7.828562 | 1 0.33 95.44 7.83603 | 1 0.33 95.77 7.857666 | 1 0.33 96.09 7.861696 | 1 0.33 96.42 7.947584 | 1 0.33 96.74 7.967721 | 1 0.33 97.07 8.152121 | 1 0.33 97.39 8.358288 | 1 0.33 97.72 8.493073 | 1 0.33 98.05 8.581895 | 1 0.33 98.37 8.850851 | 1 0.33 98.70 9.008459 | 1 0.33 99.02 9.112816 | 1 0.33 99.35 9.529357 | 1 0.33 99.67 9.553655 | 1 0.33 100.00 ------------+----------------------------------- Total | 307 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018