Frequencies for backsurgeryper1000medicareenroll variable in 2001_surg_discharg Back | Surgery per | 1000 | Medicare | Enrollees | 2001 | Freq. Percent Cum. ------------+----------------------------------- 1.405597 | 1 0.33 0.33 1.538225 | 1 0.33 0.65 1.59779 | 1 0.33 0.98 1.656355 | 1 0.33 1.30 1.744737 | 1 0.33 1.63 1.768087 | 1 0.33 1.95 1.78693 | 1 0.33 2.28 1.857636 | 1 0.33 2.61 1.871943 | 1 0.33 2.93 1.906434 | 1 0.33 3.26 1.97837 | 1 0.33 3.58 2.056719 | 1 0.33 3.91 2.168833 | 1 0.33 4.23 2.20805 | 1 0.33 4.56 2.247009 | 1 0.33 4.89 2.302713 | 1 0.33 5.21 2.308628 | 1 0.33 5.54 2.309111 | 1 0.33 5.86 2.342093 | 1 0.33 6.19 2.363155 | 1 0.33 6.51 2.391232 | 1 0.33 6.84 2.415427 | 1 0.33 7.17 2.419307 | 1 0.33 7.49 2.424197 | 1 0.33 7.82 2.429883 | 1 0.33 8.14 2.467003 | 1 0.33 8.47 2.493599 | 1 0.33 8.79 2.50119 | 1 0.33 9.12 2.543156 | 1 0.33 9.45 2.550779 | 1 0.33 9.77 2.561442 | 1 0.33 10.10 2.564722 | 1 0.33 10.42 2.619149 | 1 0.33 10.75 2.631256 | 1 0.33 11.07 2.646518 | 1 0.33 11.40 2.655317 | 1 0.33 11.73 2.664133 | 1 0.33 12.05 2.73795 | 1 0.33 12.38 2.760181 | 1 0.33 12.70 2.762482 | 1 0.33 13.03 2.763218 | 1 0.33 13.36 2.769823 | 1 0.33 13.68 2.77033 | 1 0.33 14.01 2.857868 | 1 0.33 14.33 2.868876 | 1 0.33 14.66 2.877549 | 1 0.33 14.98 2.903635 | 1 0.33 15.31 2.921456 | 1 0.33 15.64 2.931526 | 1 0.33 15.96 2.949998 | 1 0.33 16.29 2.963327 | 1 0.33 16.61 2.976814 | 1 0.33 16.94 2.978227 | 1 0.33 17.26 2.982795 | 1 0.33 17.59 2.982908 | 1 0.33 17.92 3.0151 | 1 0.33 18.24 3.017003 | 1 0.33 18.57 3.01911 | 1 0.33 18.89 3.026825 | 1 0.33 19.22 3.030751 | 1 0.33 19.54 3.03234 | 1 0.33 19.87 3.051539 | 1 0.33 20.20 3.054812 | 1 0.33 20.52 3.057455 | 1 0.33 20.85 3.065225 | 1 0.33 21.17 3.074004 | 1 0.33 21.50 3.076031 | 1 0.33 21.82 3.086462 | 1 0.33 22.15 3.086999 | 1 0.33 22.48 3.092988 | 1 0.33 22.80 3.103747 | 1 0.33 23.13 3.111568 | 1 0.33 23.45 3.116204 | 1 0.33 23.78 3.135351 | 1 0.33 24.10 3.151226 | 1 0.33 24.43 3.159 | 1 0.33 24.76 3.159481 | 1 0.33 25.08 3.178696 | 1 0.33 25.41 3.201886 | 1 0.33 25.73 3.208047 | 1 0.33 26.06 3.244133 | 1 0.33 26.38 3.251095 | 1 0.33 26.71 3.266926 | 1 0.33 27.04 3.270256 | 1 0.33 27.36 3.282621 | 1 0.33 27.69 3.295834 | 1 0.33 28.01 3.304171 | 1 0.33 28.34 3.312162 | 1 0.33 28.66 3.331112 | 1 0.33 28.99 3.332862 | 1 0.33 29.32 3.338135 | 1 0.33 29.64 3.35122 | 1 0.33 29.97 3.373774 | 1 0.33 30.29 3.377027 | 1 0.33 30.62 3.387646 | 1 0.33 30.94 3.424509 | 1 0.33 31.27 3.427751 | 1 0.33 31.60 3.430611 | 1 0.33 31.92 3.460813 | 1 0.33 32.25 3.474742 | 1 0.33 32.57 3.520417 | 1 0.33 32.90 3.523175 | 1 0.33 33.22 3.532856 | 1 0.33 33.55 3.551915 | 1 0.33 33.88 3.578713 | 1 0.33 34.20 3.585099 | 1 0.33 34.53 3.591756 | 1 0.33 34.85 3.595096 | 1 0.33 35.18 3.59997 | 1 0.33 35.50 3.601101 | 1 0.33 35.83 3.603825 | 1 0.33 36.16 3.608574 | 1 0.33 36.48 3.620464 | 1 0.33 36.81 3.623807 | 1 0.33 37.13 3.628247 | 1 0.33 37.46 3.639573 | 1 0.33 37.79 3.640324 | 1 0.33 38.11 3.663482 | 1 0.33 38.44 3.666961 | 1 0.33 38.76 3.721029 | 1 0.33 39.09 3.758344 | 1 0.33 39.41 3.783483 | 1 0.33 39.74 3.787384 | 1 0.33 40.07 3.795707 | 1 0.33 40.39 3.795838 | 1 0.33 40.72 3.805264 | 1 0.33 41.04 3.805977 | 1 0.33 41.37 3.808096 | 1 0.33 41.69 3.815759 | 1 0.33 42.02 3.820884 | 1 0.33 42.35 3.827561 | 1 0.33 42.67 3.849983 | 1 0.33 43.00 3.85556 | 1 0.33 43.32 3.857531 | 1 0.33 43.65 3.857556 | 1 0.33 43.97 3.859763 | 1 0.33 44.30 3.863883 | 1 0.33 44.63 3.866376 | 1 0.33 44.95 3.883835 | 1 0.33 45.28 3.88402 | 1 0.33 45.60 3.889259 | 1 0.33 45.93 3.889615 | 1 0.33 46.25 3.890062 | 1 0.33 46.58 3.895815 | 1 0.33 46.91 3.909676 | 1 0.33 47.23 3.911757 | 1 0.33 47.56 3.918327 | 1 0.33 47.88 3.928727 | 1 0.33 48.21 3.932147 | 1 0.33 48.53 3.943412 | 1 0.33 48.86 3.94983 | 1 0.33 49.19 3.952878 | 1 0.33 49.51 3.958752 | 1 0.33 49.84 3.965721 | 1 0.33 50.16 3.996929 | 1 0.33 50.49 3.998332 | 1 0.33 50.81 4.011242 | 1 0.33 51.14 4.026772 | 1 0.33 51.47 4.03455 | 1 0.33 51.79 4.036025 | 1 0.33 52.12 4.055076 | 1 0.33 52.44 4.073999 | 1 0.33 52.77 4.07416 | 1 0.33 53.09 4.091011 | 1 0.33 53.42 4.117969 | 1 0.33 53.75 4.122755 | 1 0.33 54.07 4.125382 | 1 0.33 54.40 4.137111 | 1 0.33 54.72 4.13742 | 1 0.33 55.05 4.156029 | 1 0.33 55.37 4.162959 | 1 0.33 55.70 4.166422 | 1 0.33 56.03 4.167327 | 1 0.33 56.35 4.177078 | 1 0.33 56.68 4.193718 | 1 0.33 57.00 4.206399 | 1 0.33 57.33 4.215662 | 1 0.33 57.65 4.218304 | 1 0.33 57.98 4.231518 | 1 0.33 58.31 4.246168 | 1 0.33 58.63 4.248215 | 1 0.33 58.96 4.253082 | 1 0.33 59.28 4.258224 | 1 0.33 59.61 4.284482 | 1 0.33 59.93 4.295957 | 1 0.33 60.26 4.300751 | 1 0.33 60.59 4.312117 | 1 0.33 60.91 4.325613 | 1 0.33 61.24 4.3708 | 1 0.33 61.56 4.382006 | 1 0.33 61.89 4.383452 | 1 0.33 62.21 4.40028 | 1 0.33 62.54 4.402561 | 1 0.33 62.87 4.407224 | 1 0.33 63.19 4.417143 | 1 0.33 63.52 4.424019 | 1 0.33 63.84 4.47598 | 1 0.33 64.17 4.485758 | 1 0.33 64.50 4.486961 | 1 0.33 64.82 4.492689 | 1 0.33 65.15 4.500872 | 1 0.33 65.47 4.502896 | 1 0.33 65.80 4.51088 | 1 0.33 66.12 4.512298 | 1 0.33 66.45 4.518823 | 1 0.33 66.78 4.532768 | 1 0.33 67.10 4.534249 | 1 0.33 67.43 4.573167 | 1 0.33 67.75 4.584826 | 1 0.33 68.08 4.590038 | 1 0.33 68.40 4.600977 | 1 0.33 68.73 4.609489 | 1 0.33 69.06 4.629129 | 1 0.33 69.38 4.633396 | 1 0.33 69.71 4.637949 | 1 0.33 70.03 4.642612 | 1 0.33 70.36 4.651638 | 1 0.33 70.68 4.668454 | 1 0.33 71.01 4.680132 | 1 0.33 71.34 4.68469 | 1 0.33 71.66 4.695184 | 1 0.33 71.99 4.696311 | 1 0.33 72.31 4.735576 | 1 0.33 72.64 4.758651 | 1 0.33 72.96 4.787429 | 1 0.33 73.29 4.835483 | 1 0.33 73.62 4.842661 | 1 0.33 73.94 4.870964 | 1 0.33 74.27 4.872849 | 1 0.33 74.59 4.881536 | 1 0.33 74.92 4.944062 | 1 0.33 75.24 4.994259 | 1 0.33 75.57 5.017273 | 1 0.33 75.90 5.024791 | 1 0.33 76.22 5.051476 | 1 0.33 76.55 5.065589 | 1 0.33 76.87 5.085337 | 1 0.33 77.20 5.09191 | 1 0.33 77.52 5.098537 | 1 0.33 77.85 5.135243 | 1 0.33 78.18 5.141628 | 1 0.33 78.50 5.168561 | 1 0.33 78.83 5.188069 | 1 0.33 79.15 5.188847 | 1 0.33 79.48 5.189341 | 1 0.33 79.80 5.218922 | 1 0.33 80.13 5.224337 | 1 0.33 80.46 5.238599 | 1 0.33 80.78 5.319811 | 1 0.33 81.11 5.322995 | 1 0.33 81.43 5.32589 | 1 0.33 81.76 5.326181 | 1 0.33 82.08 5.326431 | 1 0.33 82.41 5.351176 | 1 0.33 82.74 5.426703 | 1 0.33 83.06 5.452708 | 1 0.33 83.39 5.460141 | 1 0.33 83.71 5.522233 | 1 0.33 84.04 5.523273 | 1 0.33 84.36 5.533167 | 1 0.33 84.69 5.585181 | 1 0.33 85.02 5.621756 | 1 0.33 85.34 5.640186 | 1 0.33 85.67 5.678646 | 1 0.33 85.99 5.688838 | 1 0.33 86.32 5.73573 | 1 0.33 86.64 5.750273 | 1 0.33 86.97 5.768615 | 1 0.33 87.30 5.772347 | 1 0.33 87.62 5.775031 | 1 0.33 87.95 5.804747 | 1 0.33 88.27 5.889347 | 1 0.33 88.60 5.893634 | 1 0.33 88.93 5.92189 | 1 0.33 89.25 5.955319 | 1 0.33 89.58 5.98389 | 1 0.33 89.90 5.994726 | 1 0.33 90.23 5.999318 | 1 0.33 90.55 6.082654 | 1 0.33 90.88 6.137239 | 1 0.33 91.21 6.149991 | 1 0.33 91.53 6.168424 | 1 0.33 91.86 6.197424 | 1 0.33 92.18 6.277245 | 1 0.33 92.51 6.281611 | 1 0.33 92.83 6.327641 | 1 0.33 93.16 6.397899 | 1 0.33 93.49 6.424392 | 1 0.33 93.81 6.451285 | 1 0.33 94.14 6.516215 | 1 0.33 94.46 6.67177 | 1 0.33 94.79 6.698468 | 1 0.33 95.11 6.722994 | 1 0.33 95.44 6.785853 | 1 0.33 95.77 7.002408 | 1 0.33 96.09 7.078531 | 1 0.33 96.42 7.287904 | 1 0.33 96.74 7.310235 | 1 0.33 97.07 7.358935 | 1 0.33 97.39 7.403764 | 1 0.33 97.72 7.467332 | 1 0.33 98.05 7.47997 | 1 0.33 98.37 7.52797 | 1 0.33 98.70 7.73787 | 1 0.33 99.02 8.459233 | 1 0.33 99.35 8.954372 | 1 0.33 99.67 9.39467 | 1 0.33 100.00 ------------+----------------------------------- Total | 307 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018