Frequencies for first 10,000 rows of crna_cnt variable in pos2007 dataset :

  certified |
         rn |
anesthetist |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,757       97.57       97.57
        .02 |          1        0.01       97.58
        .14 |          1        0.01       97.59
         .2 |          2        0.02       97.61
        .25 |         13        0.13       97.74
        .34 |          1        0.01       97.75
         .5 |          7        0.07       97.82
         .6 |          1        0.01       97.83
        .75 |          1        0.01       97.84
          1 |         82        0.82       98.66
        1.2 |          2        0.02       98.68
        1.5 |          5        0.05       98.73
       1.75 |          2        0.02       98.75
          2 |         34        0.34       99.09
       2.75 |          1        0.01       99.10
          3 |          8        0.08       99.18
        3.3 |          1        0.01       99.19
          4 |          3        0.03       99.22
        4.2 |          1        0.01       99.23
        4.5 |          2        0.02       99.25
        4.6 |          1        0.01       99.26
       4.75 |          1        0.01       99.27
          5 |          8        0.08       99.35
        5.2 |          1        0.01       99.36
       5.25 |          1        0.01       99.37
        5.6 |          1        0.01       99.38
          6 |          4        0.04       99.42
        6.5 |          1        0.01       99.43
        6.6 |          1        0.01       99.44
       6.75 |          1        0.01       99.45
          7 |          3        0.03       99.48
          8 |          2        0.02       99.50
       8.25 |          1        0.01       99.51
        8.4 |          1        0.01       99.52
        8.6 |          1        0.01       99.53
       8.75 |          1        0.01       99.54
          9 |          1        0.01       99.55
        9.8 |          1        0.01       99.56
         10 |          3        0.03       99.59
       10.6 |          1        0.01       99.60
         11 |          2        0.02       99.62
         13 |          1        0.01       99.63
       13.6 |          1        0.01       99.64
         14 |          1        0.01       99.65
         15 |          2        0.02       99.67
         16 |          2        0.02       99.69
      17.89 |          1        0.01       99.70
         18 |          1        0.01       99.71
       18.6 |          1        0.01       99.72
       18.8 |          1        0.01       99.73
      19.25 |          1        0.01       99.74
       19.3 |          1        0.01       99.75
       19.6 |          1        0.01       99.76
         20 |          1        0.01       99.77
         22 |          1        0.01       99.78
      23.75 |          1        0.01       99.79
         24 |          2        0.02       99.81
         25 |          2        0.02       99.83
       25.7 |          1        0.01       99.84
         28 |          1        0.01       99.85
         29 |          1        0.01       99.86
         30 |          2        0.02       99.88
         31 |          1        0.01       99.89
         32 |          1        0.01       99.90
       32.2 |          1        0.01       99.91
         34 |          1        0.01       99.92
         49 |          1        0.01       99.93
         50 |          1        0.01       99.94
         67 |          1        0.01       99.95
         69 |          1        0.01       99.96
      79.58 |          1        0.01       99.97
         84 |          1        0.01       99.98
        138 |          1        0.01       99.99
        281 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017