Frequencies for legampuci variable in pchsa2012 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
    Overall |
      Upper |
 confidence |
      limit |      Freq.     Percent        Cum.
------------+-----------------------------------
       .331 |          1        0.03        0.03
       .385 |          1        0.03        0.06
       .421 |          1        0.03        0.09
       .492 |          1        0.03        0.12
       .495 |          1        0.03        0.15
       .499 |          1        0.03        0.17
       .501 |          1        0.03        0.20
       .504 |          1        0.03        0.23
       .506 |          1        0.03        0.26
       .513 |          1        0.03        0.29
       .527 |          1        0.03        0.32
       .533 |          1        0.03        0.35
       .541 |          1        0.03        0.38
       .542 |          1        0.03        0.41
       .545 |          1        0.03        0.44
       .546 |          1        0.03        0.47
       .549 |          3        0.09        0.55
        .55 |          1        0.03        0.58
       .562 |          1        0.03        0.61
       .563 |          1        0.03        0.64
       .566 |          1        0.03        0.67
       .567 |          1        0.03        0.70
       .575 |          1        0.03        0.73
        .58 |          1        0.03        0.76
       .585 |          1        0.03        0.79
       .614 |          1        0.03        0.81
       .616 |          2        0.06        0.87
       .644 |          1        0.03        0.90
       .655 |          2        0.06        0.96
       .659 |          1        0.03        0.99
       .661 |          1        0.03        1.02
       .667 |          1        0.03        1.05
       .668 |          1        0.03        1.08
       .673 |          1        0.03        1.11
       .681 |          1        0.03        1.13
       .683 |          1        0.03        1.16
       .685 |          1        0.03        1.19
       .693 |          1        0.03        1.22
       .696 |          1        0.03        1.25
       .698 |          1        0.03        1.28
         .7 |          1        0.03        1.31
       .706 |          1        0.03        1.34
       .708 |          1        0.03        1.37
       .711 |          1        0.03        1.40
       .712 |          1        0.03        1.43
       .713 |          1        0.03        1.45
       .717 |          1        0.03        1.48
       .722 |          2        0.06        1.54
       .725 |          1        0.03        1.57
       .726 |          1        0.03        1.60
       .732 |          1        0.03        1.63
       .734 |          1        0.03        1.66
       .739 |          1        0.03        1.69
       .741 |          1        0.03        1.72
        .77 |          1        0.03        1.75
       .784 |          2        0.06        1.80
       .791 |          1        0.03        1.83
       .793 |          1        0.03        1.86
       .797 |          1        0.03        1.89
         .8 |          1        0.03        1.92
       .804 |          2        0.06        1.98
       .811 |          1        0.03        2.01
       .821 |          1        0.03        2.04
       .822 |          1        0.03        2.07
       .823 |          1        0.03        2.09
       .833 |          1        0.03        2.12
       .836 |          2        0.06        2.18
       .869 |          1        0.03        2.21
       .877 |          1        0.03        2.24
        .88 |          2        0.06        2.30
       .881 |          1        0.03        2.33
       .893 |          1        0.03        2.36
       .906 |          1        0.03        2.39
       .927 |          2        0.06        2.44
       .936 |          2        0.06        2.50
       .952 |          1        0.03        2.53
       .959 |          1        0.03        2.56
       .961 |          1        0.03        2.59
       .969 |          1        0.03        2.62
       .972 |          1        0.03        2.65
       .991 |          1        0.03        2.68
       .992 |          1        0.03        2.71
      1.008 |          1        0.03        2.73
      1.035 |          1        0.03        2.76
      1.049 |          1        0.03        2.79
       1.05 |          1        0.03        2.82
      1.065 |          1        0.03        2.85
      1.068 |          1        0.03        2.88
      1.077 |          1        0.03        2.91
      1.079 |          1        0.03        2.94
      1.087 |          1        0.03        2.97
      1.098 |          1        0.03        3.00
      1.101 |          1        0.03        3.03
      1.147 |          1        0.03        3.05
      1.161 |          1        0.03        3.08
      1.167 |          1        0.03        3.11
      1.187 |          1        0.03        3.14
      1.216 |          1        0.03        3.17
      1.349 |          1        0.03        3.20
      1.361 |          1        0.03        3.23
          . |      3,326       96.77      100.00
------------+-----------------------------------
      Total |      3,437      100.00

by Jean Roth , jroth@nber.org , 14 Mar 2018