Frequencies for legampuci variable in pccounty2012 dataset : Leg | amputations | per 1,000 | Medicare | enrollees | Overall | Upper | confidence | limit | Freq. Percent Cum. ------------+----------------------------------- .35 | 1 0.03 0.03 .381 | 1 0.03 0.06 .382 | 1 0.03 0.10 .394 | 1 0.03 0.13 .402 | 1 0.03 0.16 .406 | 1 0.03 0.19 .417 | 1 0.03 0.22 .431 | 2 0.06 0.29 .432 | 1 0.03 0.32 .455 | 1 0.03 0.35 .459 | 1 0.03 0.38 .467 | 1 0.03 0.41 .487 | 1 0.03 0.45 .49 | 2 0.06 0.51 .492 | 1 0.03 0.54 .497 | 1 0.03 0.57 .509 | 1 0.03 0.60 .513 | 1 0.03 0.64 .515 | 1 0.03 0.67 .518 | 1 0.03 0.70 .521 | 1 0.03 0.73 .525 | 1 0.03 0.76 .534 | 1 0.03 0.80 .538 | 1 0.03 0.83 .544 | 1 0.03 0.86 .552 | 1 0.03 0.89 .553 | 1 0.03 0.92 .558 | 1 0.03 0.96 .564 | 1 0.03 0.99 .572 | 1 0.03 1.02 .576 | 2 0.06 1.08 .58 | 1 0.03 1.11 .582 | 1 0.03 1.15 .585 | 1 0.03 1.18 .586 | 1 0.03 1.21 .599 | 2 0.06 1.27 .6 | 1 0.03 1.31 .603 | 1 0.03 1.34 .604 | 1 0.03 1.37 .606 | 1 0.03 1.40 .608 | 1 0.03 1.43 .618 | 1 0.03 1.46 .621 | 1 0.03 1.50 .626 | 3 0.10 1.59 .642 | 1 0.03 1.62 .643 | 1 0.03 1.66 .65 | 2 0.06 1.72 .652 | 1 0.03 1.75 .654 | 1 0.03 1.78 .656 | 1 0.03 1.81 .657 | 1 0.03 1.85 .666 | 1 0.03 1.88 .668 | 1 0.03 1.91 .673 | 2 0.06 1.97 .676 | 1 0.03 2.01 .694 | 2 0.06 2.07 .695 | 1 0.03 2.10 .697 | 1 0.03 2.13 .704 | 1 0.03 2.16 .705 | 1 0.03 2.20 .715 | 1 0.03 2.23 .716 | 1 0.03 2.26 .727 | 1 0.03 2.29 .731 | 2 0.06 2.36 .732 | 1 0.03 2.39 .736 | 2 0.06 2.45 .743 | 1 0.03 2.48 .744 | 1 0.03 2.52 .751 | 1 0.03 2.55 .754 | 1 0.03 2.58 .756 | 1 0.03 2.61 .762 | 1 0.03 2.64 .765 | 1 0.03 2.67 .767 | 1 0.03 2.71 .772 | 1 0.03 2.74 .773 | 2 0.06 2.80 .776 | 1 0.03 2.83 .785 | 1 0.03 2.87 .789 | 1 0.03 2.90 .79 | 1 0.03 2.93 .803 | 1 0.03 2.96 .811 | 1 0.03 2.99 .817 | 1 0.03 3.02 .819 | 1 0.03 3.06 .824 | 1 0.03 3.09 .825 | 1 0.03 3.12 .83 | 1 0.03 3.15 .834 | 1 0.03 3.18 .837 | 1 0.03 3.22 .841 | 1 0.03 3.25 .845 | 1 0.03 3.28 .849 | 1 0.03 3.31 .851 | 1 0.03 3.34 .856 | 1 0.03 3.37 .86 | 1 0.03 3.41 .867 | 1 0.03 3.44 .907 | 1 0.03 3.47 .911 | 2 0.06 3.53 .913 | 1 0.03 3.57 .915 | 1 0.03 3.60 .92 | 1 0.03 3.63 .935 | 1 0.03 3.66 .94 | 1 0.03 3.69 .943 | 1 0.03 3.72 .949 | 1 0.03 3.76 .956 | 1 0.03 3.79 .976 | 1 0.03 3.82 .995 | 1 0.03 3.85 1.023 | 1 0.03 3.88 1.028 | 1 0.03 3.92 1.033 | 1 0.03 3.95 1.038 | 1 0.03 3.98 1.044 | 1 0.03 4.01 1.05 | 1 0.03 4.04 1.051 | 2 0.06 4.11 1.06 | 1 0.03 4.14 1.106 | 1 0.03 4.17 1.135 | 2 0.06 4.23 1.144 | 1 0.03 4.27 1.203 | 1 0.03 4.30 1.253 | 1 0.03 4.33 1.353 | 1 0.03 4.36 1.382 | 1 0.03 4.39 1.386 | 1 0.03 4.43 2.435 | 1 0.03 4.46 . | 3,001 95.54 100.00 ------------+----------------------------------- Total | 3,141 100.00 by Jean Roth , jroth@nber.org , 14 Mar 2018