Frequencies for legampbuci variable in pcstate2003_2005 dataset : Leg | amputations | per 1,000 | Medicare | enrollees | Black Upper | confidence | limit | Freq. Percent Cum. ------------+----------------------------------- 2.024 | 1 1.92 1.92 2.3186 | 1 1.92 3.85 2.6811 | 1 1.92 5.77 2.9617 | 1 1.92 7.69 2.9816 | 1 1.92 9.62 3.1421 | 1 1.92 11.54 3.1478 | 1 1.92 13.46 3.1768 | 1 1.92 15.38 3.3041 | 1 1.92 17.31 3.3294 | 1 1.92 19.23 3.4749 | 1 1.92 21.15 3.4957 | 1 1.92 23.08 3.5045 | 1 1.92 25.00 3.5156 | 1 1.92 26.92 3.5954 | 1 1.92 28.85 3.6404 | 1 1.92 30.77 3.7164 | 1 1.92 32.69 3.7648 | 1 1.92 34.62 3.8254 | 1 1.92 36.54 3.9746 | 1 1.92 38.46 4.065 | 1 1.92 40.38 4.1633 | 1 1.92 42.31 4.2035 | 1 1.92 44.23 4.3047 | 1 1.92 46.15 4.3179 | 1 1.92 48.08 4.3229 | 1 1.92 50.00 4.3834 | 1 1.92 51.92 4.4493 | 1 1.92 53.85 4.5627 | 1 1.92 55.77 4.7017 | 1 1.92 57.69 4.7455 | 1 1.92 59.62 4.8701 | 1 1.92 61.54 5.4262 | 1 1.92 63.46 5.5258 | 1 1.92 65.38 5.659 | 1 1.92 67.31 5.8287 | 1 1.92 69.23 5.91 | 1 1.92 71.15 6.326 | 1 1.92 73.08 6.4345 | 1 1.92 75.00 . | 13 25.00 100.00 ------------+----------------------------------- Total | 52 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018