Frequencies for legampbrat variable in pchrr2009 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
 Black Rate |      Freq.     Percent        Cum.
------------+-----------------------------------
     -8.275 |          1        0.33        0.33
     -6.774 |          1        0.33        0.65
     -6.051 |          1        0.33        0.98
     -5.986 |          1        0.33        1.30
     -5.985 |          1        0.33        1.63
     -5.622 |          1        0.33        1.95
     -5.307 |          1        0.33        2.28
     -4.691 |          1        0.33        2.61
      -4.58 |          1        0.33        2.93
     -4.337 |          1        0.33        3.26
     -4.165 |          1        0.33        3.58
     -4.066 |          1        0.33        3.91
     -3.976 |          1        0.33        4.23
      -3.97 |          1        0.33        4.56
     -3.951 |          1        0.33        4.89
     -3.948 |          1        0.33        5.21
     -3.856 |          1        0.33        5.54
     -3.731 |          1        0.33        5.86
     -3.681 |          1        0.33        6.19
     -3.636 |          1        0.33        6.51
     -3.593 |          1        0.33        6.84
     -3.591 |          1        0.33        7.17
     -3.546 |          1        0.33        7.49
     -3.499 |          1        0.33        7.82
     -3.301 |          1        0.33        8.14
     -3.261 |          1        0.33        8.47
     -3.258 |          1        0.33        8.79
      -3.23 |          1        0.33        9.12
     -3.108 |          1        0.33        9.45
     -2.929 |          1        0.33        9.77
     -2.887 |          1        0.33       10.10
     -2.688 |          1        0.33       10.42
     -2.652 |          1        0.33       10.75
     -2.417 |          1        0.33       11.07
     -2.147 |          1        0.33       11.40
      -2.13 |          1        0.33       11.73
     -2.108 |          1        0.33       12.05
     -2.107 |          1        0.33       12.38
     -1.956 |          1        0.33       12.70
     -1.899 |          1        0.33       13.03
     -1.847 |          1        0.33       13.36
      1.243 |          1        0.33       13.68
      1.359 |          1        0.33       14.01
      1.609 |          1        0.33       14.33
      1.746 |          1        0.33       14.66
      1.747 |          1        0.33       14.98
       1.81 |          1        0.33       15.31
      1.892 |          1        0.33       15.64
      1.905 |          1        0.33       15.96
      1.945 |          1        0.33       16.29
      1.968 |          1        0.33       16.61
      2.053 |          1        0.33       16.94
      2.128 |          1        0.33       17.26
      2.141 |          1        0.33       17.59
       2.19 |          1        0.33       17.92
      2.212 |          1        0.33       18.24
      2.253 |          1        0.33       18.57
       2.34 |          1        0.33       18.89
      2.376 |          1        0.33       19.22
      2.394 |          1        0.33       19.54
      2.417 |          1        0.33       19.87
      2.424 |          1        0.33       20.20
      2.448 |          1        0.33       20.52
      2.502 |          1        0.33       20.85
      2.622 |          1        0.33       21.17
      2.627 |          1        0.33       21.50
      2.628 |          1        0.33       21.82
       2.64 |          1        0.33       22.15
      2.674 |          1        0.33       22.48
      2.685 |          1        0.33       22.80
      2.693 |          1        0.33       23.13
      2.754 |          1        0.33       23.45
      2.771 |          1        0.33       23.78
      2.806 |          1        0.33       24.10
      2.828 |          1        0.33       24.43
      2.831 |          1        0.33       24.76
      2.859 |          1        0.33       25.08
      2.872 |          1        0.33       25.41
      2.883 |          1        0.33       25.73
      2.907 |          1        0.33       26.06
      2.931 |          1        0.33       26.38
      2.938 |          1        0.33       26.71
      3.012 |          1        0.33       27.04
      3.073 |          1        0.33       27.36
      3.074 |          1        0.33       27.69
      3.135 |          1        0.33       28.01
      3.225 |          1        0.33       28.34
      3.262 |          1        0.33       28.66
       3.32 |          1        0.33       28.99
      3.425 |          1        0.33       29.32
      3.431 |          2        0.65       29.97
      3.461 |          1        0.33       30.29
      3.479 |          1        0.33       30.62
      3.527 |          1        0.33       30.94
      3.673 |          1        0.33       31.27
      3.756 |          1        0.33       31.60
      3.859 |          1        0.33       31.92
      4.027 |          1        0.33       32.25
      4.644 |          1        0.33       32.57
      4.665 |          1        0.33       32.90
      5.021 |          1        0.33       33.22
      5.405 |          1        0.33       33.55
          . |        204       66.45      100.00
------------+-----------------------------------
      Total |        307      100.00

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