Frequencies for kneereplacementper1000medicareen variable in 2001_surg_discharg Knee | Replacement | per 1000 | Medicare | Enrollees | 2001 | Freq. Percent Cum. ------------+----------------------------------- 2.073558 | 1 0.33 0.33 2.877955 | 1 0.33 0.65 2.963848 | 1 0.33 0.98 2.977064 | 1 0.33 1.30 3.344202 | 1 0.33 1.63 3.43347 | 1 0.33 1.95 3.458121 | 1 0.33 2.28 3.488331 | 1 0.33 2.61 3.542927 | 1 0.33 2.93 3.679373 | 1 0.33 3.26 3.739027 | 1 0.33 3.58 3.838673 | 1 0.33 3.91 3.958014 | 1 0.33 4.23 3.959781 | 1 0.33 4.56 3.980345 | 1 0.33 4.89 4.015043 | 1 0.33 5.21 4.02399 | 1 0.33 5.54 4.066329 | 1 0.33 5.86 4.090826 | 1 0.33 6.19 4.138255 | 1 0.33 6.51 4.139412 | 1 0.33 6.84 4.226115 | 1 0.33 7.17 4.263497 | 1 0.33 7.49 4.299793 | 1 0.33 7.82 4.349158 | 1 0.33 8.14 4.369558 | 1 0.33 8.47 4.40555 | 1 0.33 8.79 4.413883 | 1 0.33 9.12 4.489308 | 1 0.33 9.45 4.502765 | 1 0.33 9.77 4.503567 | 1 0.33 10.10 4.520934 | 1 0.33 10.42 4.533865 | 1 0.33 10.75 4.538502 | 1 0.33 11.07 4.561907 | 1 0.33 11.40 4.575745 | 1 0.33 11.73 4.582134 | 1 0.33 12.05 4.589439 | 1 0.33 12.38 4.592203 | 1 0.33 12.70 4.638718 | 1 0.33 13.03 4.648152 | 1 0.33 13.36 4.66808 | 1 0.33 13.68 4.710625 | 1 0.33 14.01 4.734733 | 1 0.33 14.33 4.74414 | 1 0.33 14.66 4.752497 | 1 0.33 14.98 4.76855 | 1 0.33 15.31 4.771162 | 1 0.33 15.64 4.802284 | 1 0.33 15.96 4.820984 | 1 0.33 16.29 4.822658 | 1 0.33 16.61 4.836745 | 1 0.33 16.94 4.88316 | 1 0.33 17.26 4.925538 | 1 0.33 17.59 4.927743 | 1 0.33 17.92 4.981671 | 1 0.33 18.24 5.005563 | 1 0.33 18.57 5.038288 | 1 0.33 18.89 5.046813 | 1 0.33 19.22 5.087708 | 1 0.33 19.54 5.101787 | 1 0.33 19.87 5.107705 | 1 0.33 20.20 5.110679 | 1 0.33 20.52 5.111167 | 1 0.33 20.85 5.160879 | 1 0.33 21.17 5.174198 | 1 0.33 21.50 5.191759 | 1 0.33 21.82 5.217319 | 1 0.33 22.15 5.223421 | 1 0.33 22.48 5.225202 | 1 0.33 22.80 5.236283 | 1 0.33 23.13 5.241574 | 1 0.33 23.45 5.284471 | 1 0.33 23.78 5.291862 | 1 0.33 24.10 5.301756 | 1 0.33 24.43 5.347674 | 1 0.33 24.76 5.358376 | 1 0.33 25.08 5.373197 | 1 0.33 25.41 5.375636 | 1 0.33 25.73 5.381578 | 1 0.33 26.06 5.415499 | 1 0.33 26.38 5.432211 | 1 0.33 26.71 5.434089 | 1 0.33 27.04 5.435563 | 1 0.33 27.36 5.439215 | 1 0.33 27.69 5.443137 | 1 0.33 28.01 5.451943 | 1 0.33 28.34 5.475591 | 1 0.33 28.66 5.48246 | 1 0.33 28.99 5.487023 | 1 0.33 29.32 5.492219 | 1 0.33 29.64 5.511829 | 1 0.33 29.97 5.519117 | 1 0.33 30.29 5.545597 | 1 0.33 30.62 5.554728 | 1 0.33 30.94 5.556749 | 1 0.33 31.27 5.557308 | 1 0.33 31.60 5.559218 | 1 0.33 31.92 5.572942 | 1 0.33 32.25 5.578299 | 1 0.33 32.57 5.597482 | 1 0.33 32.90 5.602998 | 1 0.33 33.22 5.62444 | 1 0.33 33.55 5.627468 | 1 0.33 33.88 5.632905 | 1 0.33 34.20 5.653257 | 1 0.33 34.53 5.654393 | 1 0.33 34.85 5.661133 | 1 0.33 35.18 5.662003 | 1 0.33 35.50 5.670762 | 1 0.33 35.83 5.67162 | 1 0.33 36.16 5.690118 | 1 0.33 36.48 5.691352 | 1 0.33 36.81 5.705039 | 1 0.33 37.13 5.710696 | 1 0.33 37.46 5.71942 | 1 0.33 37.79 5.722602 | 1 0.33 38.11 5.762091 | 1 0.33 38.44 5.765481 | 1 0.33 38.76 5.771032 | 1 0.33 39.09 5.789498 | 1 0.33 39.41 5.806721 | 1 0.33 39.74 5.826239 | 1 0.33 40.07 5.831954 | 1 0.33 40.39 5.842044 | 1 0.33 40.72 5.858873 | 1 0.33 41.04 5.864043 | 1 0.33 41.37 5.871972 | 1 0.33 41.69 5.872316 | 1 0.33 42.02 5.875159 | 1 0.33 42.35 5.892455 | 1 0.33 42.67 5.892657 | 1 0.33 43.00 5.892743 | 1 0.33 43.32 5.900344 | 1 0.33 43.65 5.901474 | 1 0.33 43.97 5.932031 | 1 0.33 44.30 5.937738 | 1 0.33 44.63 5.939157 | 1 0.33 44.95 5.951171 | 1 0.33 45.28 5.953069 | 1 0.33 45.60 5.957796 | 1 0.33 45.93 5.961915 | 1 0.33 46.25 5.971137 | 1 0.33 46.58 5.974804 | 1 0.33 46.91 5.981828 | 1 0.33 47.23 5.995083 | 1 0.33 47.56 6.002883 | 1 0.33 47.88 6.014451 | 1 0.33 48.21 6.018727 | 1 0.33 48.53 6.026764 | 1 0.33 48.86 6.028619 | 1 0.33 49.19 6.039172 | 1 0.33 49.51 6.042884 | 1 0.33 49.84 6.043785 | 1 0.33 50.16 6.050329 | 1 0.33 50.49 6.052622 | 1 0.33 50.81 6.081425 | 1 0.33 51.14 6.085241 | 1 0.33 51.47 6.090475 | 1 0.33 51.79 6.113667 | 1 0.33 52.12 6.114996 | 1 0.33 52.44 6.12173 | 1 0.33 52.77 6.124945 | 1 0.33 53.09 6.131039 | 1 0.33 53.42 6.132155 | 1 0.33 53.75 6.138264 | 1 0.33 54.07 6.140834 | 1 0.33 54.40 6.163125 | 1 0.33 54.72 6.171425 | 1 0.33 55.05 6.177763 | 1 0.33 55.37 6.1893 | 1 0.33 55.70 6.189362 | 1 0.33 56.03 6.217556 | 1 0.33 56.35 6.23154 | 1 0.33 56.68 6.235751 | 1 0.33 57.00 6.246932 | 1 0.33 57.33 6.259799 | 1 0.33 57.65 6.259897 | 1 0.33 57.98 6.270607 | 1 0.33 58.31 6.277113 | 1 0.33 58.63 6.277605 | 1 0.33 58.96 6.299321 | 1 0.33 59.28 6.300933 | 1 0.33 59.61 6.338767 | 1 0.33 59.93 6.35044 | 1 0.33 60.26 6.357251 | 1 0.33 60.59 6.362234 | 1 0.33 60.91 6.369326 | 1 0.33 61.24 6.370607 | 1 0.33 61.56 6.407265 | 1 0.33 61.89 6.415159 | 1 0.33 62.21 6.420357 | 1 0.33 62.54 6.428826 | 1 0.33 62.87 6.442495 | 1 0.33 63.19 6.449287 | 1 0.33 63.52 6.454335 | 1 0.33 63.84 6.458036 | 1 0.33 64.17 6.481006 | 1 0.33 64.50 6.481754 | 1 0.33 64.82 6.491497 | 1 0.33 65.15 6.497415 | 1 0.33 65.47 6.501387 | 1 0.33 65.80 6.505644 | 1 0.33 66.12 6.505826 | 1 0.33 66.45 6.518208 | 1 0.33 66.78 6.521551 | 1 0.33 67.10 6.551363 | 1 0.33 67.43 6.56087 | 1 0.33 67.75 6.577952 | 1 0.33 68.08 6.607203 | 1 0.33 68.40 6.636497 | 1 0.33 68.73 6.656011 | 1 0.33 69.06 6.658182 | 1 0.33 69.38 6.669958 | 1 0.33 69.71 6.686668 | 1 0.33 70.03 6.741874 | 1 0.33 70.36 6.748964 | 1 0.33 70.68 6.766216 | 1 0.33 71.01 6.782942 | 1 0.33 71.34 6.800205 | 1 0.33 71.66 6.852007 | 1 0.33 71.99 6.857934 | 1 0.33 72.31 6.866969 | 1 0.33 72.64 6.87604 | 1 0.33 72.96 6.877904 | 1 0.33 73.29 6.900203 | 1 0.33 73.62 6.937802 | 1 0.33 73.94 6.943491 | 1 0.33 74.27 6.95516 | 1 0.33 74.59 6.955934 | 1 0.33 74.92 7.002556 | 1 0.33 75.24 7.044903 | 1 0.33 75.57 7.054375 | 1 0.33 75.90 7.072577 | 1 0.33 76.22 7.110846 | 1 0.33 76.55 7.120278 | 1 0.33 76.87 7.129535 | 1 0.33 77.20 7.144662 | 1 0.33 77.52 7.152177 | 1 0.33 77.85 7.159688 | 1 0.33 78.18 7.180889 | 1 0.33 78.50 7.185991 | 1 0.33 78.83 7.190681 | 1 0.33 79.15 7.193328 | 1 0.33 79.48 7.208178 | 1 0.33 79.80 7.227293 | 1 0.33 80.13 7.237751 | 1 0.33 80.46 7.252019 | 1 0.33 80.78 7.292306 | 1 0.33 81.11 7.341217 | 1 0.33 81.43 7.347647 | 1 0.33 81.76 7.352423 | 1 0.33 82.08 7.357484 | 1 0.33 82.41 7.382997 | 1 0.33 82.74 7.389503 | 1 0.33 83.06 7.426991 | 1 0.33 83.39 7.431935 | 1 0.33 83.71 7.45884 | 1 0.33 84.04 7.464075 | 1 0.33 84.36 7.474802 | 1 0.33 84.69 7.541679 | 1 0.33 85.02 7.587583 | 1 0.33 85.34 7.610783 | 1 0.33 85.67 7.641195 | 1 0.33 85.99 7.684316 | 1 0.33 86.32 7.708663 | 1 0.33 86.64 7.714382 | 1 0.33 86.97 7.72535 | 1 0.33 87.30 7.739186 | 1 0.33 87.62 7.766274 | 1 0.33 87.95 7.797384 | 1 0.33 88.27 7.83685 | 1 0.33 88.60 7.892261 | 1 0.33 88.93 7.948111 | 1 0.33 89.25 7.959616 | 1 0.33 89.58 7.969952 | 1 0.33 89.90 7.970863 | 1 0.33 90.23 7.983643 | 1 0.33 90.55 7.985565 | 1 0.33 90.88 8.001391 | 1 0.33 91.21 8.013411 | 1 0.33 91.53 8.024743 | 1 0.33 91.86 8.265321 | 1 0.33 92.18 8.295641 | 1 0.33 92.51 8.331119 | 1 0.33 92.83 8.35565 | 1 0.33 93.16 8.383579 | 1 0.33 93.49 8.482811 | 1 0.33 93.81 8.544523 | 1 0.33 94.14 8.547292 | 1 0.33 94.46 8.647099 | 1 0.33 94.79 8.657277 | 1 0.33 95.11 8.718053 | 1 0.33 95.44 8.76239 | 1 0.33 95.77 9.054136 | 1 0.33 96.09 9.170566 | 1 0.33 96.42 9.188211 | 1 0.33 96.74 9.371098 | 1 0.33 97.07 9.42845 | 1 0.33 97.39 9.591615 | 1 0.33 97.72 9.752334 | 1 0.33 98.05 9.752442 | 1 0.33 98.37 10.02079 | 1 0.33 98.70 10.11373 | 1 0.33 99.02 10.13947 | 1 0.33 99.35 10.3341 | 1 0.33 99.67 10.37254 | 1 0.33 100.00 ------------+----------------------------------- Total | 307 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018