Frequencies for first 10,000 rows of crna_cnt variable in pos2003 dataset :

  certified |
         rn |
anesthetist |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,818       98.18       98.18
        .12 |          1        0.01       98.19
        .25 |          4        0.04       98.23
        .34 |          1        0.01       98.24
         .5 |          4        0.04       98.28
        .75 |          1        0.01       98.29
          1 |         57        0.57       98.86
        1.2 |          1        0.01       98.87
       1.25 |          1        0.01       98.88
        1.5 |          5        0.05       98.93
       1.75 |          2        0.02       98.95
          2 |         24        0.24       99.19
       2.75 |          1        0.01       99.20
          3 |          8        0.08       99.28
       3.25 |          1        0.01       99.29
        3.5 |          1        0.01       99.30
          4 |          2        0.02       99.32
        4.2 |          1        0.01       99.33
        4.6 |          2        0.02       99.35
          5 |          8        0.08       99.43
        5.2 |          1        0.01       99.44
        5.6 |          1        0.01       99.45
          6 |          3        0.03       99.48
        6.5 |          1        0.01       99.49
        6.6 |          1        0.01       99.50
       6.75 |          1        0.01       99.51
          7 |          6        0.06       99.57
          8 |          3        0.03       99.60
       8.25 |          1        0.01       99.61
        8.4 |          1        0.01       99.62
        8.6 |          1        0.01       99.63
       8.75 |          1        0.01       99.64
         10 |          2        0.02       99.66
       10.6 |          1        0.01       99.67
         11 |          2        0.02       99.69
         12 |          1        0.01       99.70
       13.6 |          1        0.01       99.71
         14 |          1        0.01       99.72
         15 |          1        0.01       99.73
         16 |          2        0.02       99.75
      16.97 |          1        0.01       99.76
      17.26 |          1        0.01       99.77
         18 |          1        0.01       99.78
       18.6 |          1        0.01       99.79
      19.25 |          1        0.01       99.80
       19.3 |          1        0.01       99.81
       19.6 |          1        0.01       99.82
      20.35 |          1        0.01       99.83
         22 |          1        0.01       99.84
      23.75 |          1        0.01       99.85
         24 |          2        0.02       99.87
         25 |          2        0.02       99.89
         26 |          1        0.01       99.90
         29 |          1        0.01       99.91
         30 |          1        0.01       99.92
         31 |          1        0.01       99.93
         32 |          1        0.01       99.94
       32.2 |          1        0.01       99.95
         34 |          1        0.01       99.96
         41 |          1        0.01       99.97
         49 |          1        0.01       99.98
      79.58 |          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