Frequencies for kneereplacementper1000medicareen variable in 1995_surg_discharg Knee | Replacement | per 1000 | Medicare | Enrollees | 1995 | Freq. Percent Cum. ------------+----------------------------------- 1.837812 | 1 1.92 1.92 3.142039 | 1 1.92 3.85 3.173689 | 1 1.92 5.77 3.441042 | 1 1.92 7.69 3.597701 | 1 1.92 9.62 3.707942 | 1 1.92 11.54 3.789466 | 1 1.92 13.46 3.835993 | 1 1.92 15.38 3.84599 | 1 1.92 17.31 3.867814 | 1 1.92 19.23 3.893859 | 1 1.92 21.15 3.915963 | 1 1.92 23.08 4.056367 | 1 1.92 25.00 4.224432 | 1 1.92 26.92 4.296576 | 1 1.92 28.85 4.299565 | 1 1.92 30.77 4.341036 | 1 1.92 32.69 4.451269 | 1 1.92 34.62 4.463583 | 1 1.92 36.54 4.53651 | 1 1.92 38.46 4.636815 | 1 1.92 40.38 4.735863 | 1 1.92 42.31 4.775735 | 1 1.92 44.23 4.792211 | 1 1.92 46.15 4.867328 | 1 1.92 48.08 4.919059 | 1 1.92 50.00 5.008592 | 1 1.92 51.92 5.012761 | 1 1.92 53.85 5.01831 | 1 1.92 55.77 5.085715 | 1 1.92 57.69 5.089382 | 1 1.92 59.62 5.165167 | 1 1.92 61.54 5.175052 | 1 1.92 63.46 5.210522 | 1 1.92 65.38 5.269322 | 1 1.92 67.31 5.393717 | 1 1.92 69.23 5.420901 | 1 1.92 71.15 5.484665 | 1 1.92 73.08 5.605639 | 1 1.92 75.00 5.620616 | 1 1.92 76.92 5.68188 | 1 1.92 78.85 5.805619 | 1 1.92 80.77 6.250397 | 1 1.92 82.69 6.262228 | 1 1.92 84.62 6.315029 | 1 1.92 86.54 6.474746 | 1 1.92 88.46 6.696989 | 1 1.92 90.38 7.171403 | 1 1.92 92.31 7.238507 | 1 1.92 94.23 7.331083 | 1 1.92 96.15 7.427263 | 1 1.92 98.08 7.892682 | 1 1.92 100.00 ------------+----------------------------------- Total | 52 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018