Frequencies for first 10,000 rows of prov0760 variable in pos1993 dataset :

  certified |
         rn |
anesthetist |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,795       97.95       97.95
        .25 |         10        0.10       98.05
         .5 |          4        0.04       98.09
          1 |         69        0.69       98.78
        1.2 |          1        0.01       98.79
       1.25 |          2        0.02       98.81
        1.5 |          5        0.05       98.86
       1.75 |          1        0.01       98.87
          2 |         21        0.21       99.08
       2.25 |          2        0.02       99.10
        2.5 |          1        0.01       99.11
       2.75 |          1        0.01       99.12
          3 |         11        0.11       99.23
          4 |          6        0.06       99.29
       4.25 |          1        0.01       99.30
        4.5 |          1        0.01       99.31
        4.6 |          1        0.01       99.32
          5 |          9        0.09       99.41
        5.2 |          1        0.01       99.42
       5.25 |          1        0.01       99.43
          6 |          7        0.07       99.50
        6.5 |          1        0.01       99.51
       6.75 |          1        0.01       99.52
          7 |          5        0.05       99.57
       7.28 |          1        0.01       99.58
       7.75 |          1        0.01       99.59
          8 |          5        0.05       99.64
       8.25 |          1        0.01       99.65
       8.75 |          1        0.01       99.66
          9 |          2        0.02       99.68
       9.25 |          1        0.01       99.69
         10 |          4        0.04       99.73
      11.25 |          1        0.01       99.74
         12 |          2        0.02       99.76
      12.25 |          1        0.01       99.77
      12.75 |          1        0.01       99.78
         13 |          2        0.02       99.80
         15 |          3        0.03       99.83
         16 |          1        0.01       99.84
         17 |          1        0.01       99.85
       18.5 |          1        0.01       99.86
         19 |          1        0.01       99.87
      19.25 |          1        0.01       99.88
      20.75 |          1        0.01       99.89
         22 |          2        0.02       99.91
      22.75 |          1        0.01       99.92
      23.75 |          1        0.01       99.93
         24 |          1        0.01       99.94
         28 |          1        0.01       99.95
         31 |          1        0.01       99.96
         34 |          1        0.01       99.97
      36.25 |          1        0.01       99.98
         60 |          1        0.01       99.99
      79.58 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016