Frequencies for legamplci variable in pcstate2008 dataset : Leg | amputations | per 1,000 | Medicare | enrollees | Overall | Lower | confidence | limit | Freq. Percent Cum. ------------+----------------------------------- .27 | 1 1.92 1.92 .35 | 1 1.92 3.85 .36 | 1 1.92 5.77 .4 | 2 3.85 9.62 .41 | 2 3.85 13.46 .44 | 1 1.92 15.38 .47 | 2 3.85 19.23 .48 | 1 1.92 21.15 .49 | 2 3.85 25.00 .51 | 1 1.92 26.92 .52 | 1 1.92 28.85 .53 | 1 1.92 30.77 .56 | 3 5.77 36.54 .57 | 1 1.92 38.46 .58 | 1 1.92 40.38 .6 | 2 3.85 44.23 .61 | 1 1.92 46.15 .63 | 2 3.85 50.00 .67 | 2 3.85 53.85 .68 | 1 1.92 55.77 .69 | 2 3.85 59.62 .72 | 1 1.92 61.54 .74 | 4 7.69 69.23 .8 | 3 5.77 75.00 .83 | 1 1.92 76.92 .84 | 2 3.85 80.77 .87 | 1 1.92 82.69 .9 | 1 1.92 84.62 .91 | 2 3.85 88.46 .99 | 1 1.92 90.38 1 | 2 3.85 94.23 1.04 | 1 1.92 96.15 1.19 | 1 1.92 98.08 . | 1 1.92 100.00 ------------+----------------------------------- Total | 52 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018