Frequencies for legamplci variable in pcstate2013 dataset : Leg | amputations | per 1,000 | Medicare | enrollees | Overall | Lower | confidence | limit | Freq. Percent Cum. ------------+----------------------------------- .31 | 1 1.92 1.92 .316 | 1 1.92 3.85 .319 | 1 1.92 5.77 .325 | 1 1.92 7.69 .339 | 1 1.92 9.62 .359 | 1 1.92 11.54 .363 | 1 1.92 13.46 .367 | 1 1.92 15.38 .37 | 1 1.92 17.31 .371 | 1 1.92 19.23 .373 | 1 1.92 21.15 .391 | 1 1.92 23.08 .393 | 1 1.92 25.00 .402 | 1 1.92 26.92 .404 | 1 1.92 28.85 .415 | 1 1.92 30.77 .428 | 1 1.92 32.69 .43 | 2 3.85 36.54 .433 | 1 1.92 38.46 .434 | 1 1.92 40.38 .435 | 1 1.92 42.31 .442 | 1 1.92 44.23 .462 | 1 1.92 46.15 .463 | 1 1.92 48.08 .467 | 1 1.92 50.00 .497 | 1 1.92 51.92 .515 | 1 1.92 53.85 .52 | 1 1.92 55.77 .532 | 1 1.92 57.69 .533 | 2 3.85 61.54 .536 | 1 1.92 63.46 .551 | 1 1.92 65.38 .564 | 1 1.92 67.31 .566 | 1 1.92 69.23 .587 | 1 1.92 71.15 .596 | 1 1.92 73.08 .615 | 1 1.92 75.00 .625 | 1 1.92 76.92 .652 | 1 1.92 78.85 .669 | 1 1.92 80.77 .68 | 1 1.92 82.69 .696 | 1 1.92 84.62 .704 | 1 1.92 86.54 .706 | 1 1.92 88.46 .718 | 1 1.92 90.38 .728 | 1 1.92 92.31 .735 | 1 1.92 94.23 .793 | 1 1.92 96.15 .915 | 1 1.92 98.08 . | 1 1.92 100.00 ------------+----------------------------------- Total | 52 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018