Frequencies for legampblci variable in pchsa2010 dataset :

        Leg |
amputations |
  per 1,000 |
   Medicare |
  enrollees |
Black Lower |
 confidence |
      limit |      Freq.     Percent        Cum.
------------+-----------------------------------
     -3.374 |          1        0.03        0.03
     -3.259 |          1        0.03        0.06
     -3.155 |          1        0.03        0.09
     -3.116 |          1        0.03        0.12
      -2.76 |          1        0.03        0.15
     -2.675 |          1        0.03        0.17
     -2.654 |          1        0.03        0.20
     -2.485 |          1        0.03        0.23
      -2.47 |          1        0.03        0.26
     -2.433 |          1        0.03        0.29
     -2.406 |          1        0.03        0.32
     -2.389 |          1        0.03        0.35
     -2.368 |          1        0.03        0.38
     -2.333 |          1        0.03        0.41
     -2.321 |          1        0.03        0.44
     -2.183 |          1        0.03        0.47
     -2.049 |          1        0.03        0.49
     -1.906 |          1        0.03        0.52
     -1.884 |          1        0.03        0.55
     -1.849 |          1        0.03        0.58
     -1.811 |          1        0.03        0.61
     -1.801 |          1        0.03        0.64
      -1.79 |          1        0.03        0.67
     -1.745 |          1        0.03        0.70
     -1.743 |          1        0.03        0.73
     -1.741 |          1        0.03        0.76
     -1.712 |          1        0.03        0.79
      -1.71 |          1        0.03        0.81
     -1.693 |          1        0.03        0.84
     -1.655 |          1        0.03        0.87
     -1.495 |          1        0.03        0.90
     -1.474 |          1        0.03        0.93
     -1.468 |          1        0.03        0.96
     -1.464 |          1        0.03        0.99
     -1.436 |          1        0.03        1.02
     -1.428 |          1        0.03        1.05
     -1.406 |          1        0.03        1.08
      -1.38 |          1        0.03        1.11
     -1.349 |          1        0.03        1.13
      -1.28 |          1        0.03        1.16
     -1.214 |          1        0.03        1.19
     -1.208 |          1        0.03        1.22
     -1.159 |          1        0.03        1.25
     -1.153 |          1        0.03        1.28
     -1.106 |          1        0.03        1.31
     -1.083 |          1        0.03        1.34
      -1.05 |          1        0.03        1.37
     -1.046 |          1        0.03        1.40
     -1.033 |          1        0.03        1.43
      -.951 |          1        0.03        1.45
      -.904 |          1        0.03        1.48
       .903 |          1        0.03        1.51
      1.008 |          1        0.03        1.54
      1.127 |          1        0.03        1.57
      1.331 |          1        0.03        1.60
      1.389 |          1        0.03        1.63
      1.406 |          1        0.03        1.66
      1.415 |          1        0.03        1.69
      1.557 |          1        0.03        1.72
      1.605 |          1        0.03        1.75
      1.708 |          1        0.03        1.77
      1.725 |          1        0.03        1.80
      1.751 |          1        0.03        1.83
      1.818 |          1        0.03        1.86
      1.833 |          1        0.03        1.89
      1.988 |          1        0.03        1.92
      2.055 |          1        0.03        1.95
      2.154 |          1        0.03        1.98
      2.177 |          2        0.06        2.04
      2.178 |          1        0.03        2.07
      2.189 |          1        0.03        2.09
      2.197 |          1        0.03        2.12
      2.287 |          1        0.03        2.15
      2.443 |          1        0.03        2.18
      2.482 |          1        0.03        2.21
      2.871 |          1        0.03        2.24
          . |      3,360       97.76      100.00
------------+-----------------------------------
      Total |      3,437      100.00

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