Frequencies for first 10,000 rows of prov0760 variable in pos1997 dataset :

  certified |
         rn |
anesthetist |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,812       98.12       98.12
        .25 |          4        0.04       98.16
         .5 |          4        0.04       98.20
          1 |         59        0.59       98.79
        1.2 |          1        0.01       98.80
       1.25 |          2        0.02       98.82
        1.5 |          4        0.04       98.86
       1.75 |          1        0.01       98.87
          2 |         21        0.21       99.08
        2.5 |          1        0.01       99.09
       2.75 |          1        0.01       99.10
          3 |         12        0.12       99.22
        3.5 |          1        0.01       99.23
          4 |          5        0.05       99.28
        4.2 |          1        0.01       99.29
        4.5 |          1        0.01       99.30
        4.6 |          2        0.02       99.32
          5 |         10        0.10       99.42
        5.2 |          1        0.01       99.43
        5.5 |          1        0.01       99.44
          6 |          7        0.07       99.51
        6.5 |          2        0.02       99.53
        6.6 |          1        0.01       99.54
       6.75 |          1        0.01       99.55
          7 |          7        0.07       99.62
          8 |          3        0.03       99.65
       8.25 |          1        0.01       99.66
       8.75 |          1        0.01       99.67
          9 |          1        0.01       99.68
        9.9 |          1        0.01       99.69
         10 |          3        0.03       99.72
         11 |          1        0.01       99.73
         12 |          1        0.01       99.74
       12.4 |          1        0.01       99.75
         13 |          1        0.01       99.76
         15 |          2        0.02       99.78
         16 |          1        0.01       99.79
         17 |          1        0.01       99.80
      17.25 |          1        0.01       99.81
       17.6 |          1        0.01       99.82
       17.8 |          1        0.01       99.83
         18 |          1        0.01       99.84
       18.1 |          1        0.01       99.85
      19.25 |          1        0.01       99.86
       19.5 |          1        0.01       99.87
      20.91 |          1        0.01       99.88
         21 |          1        0.01       99.89
         22 |          1        0.01       99.90
      23.75 |          1        0.01       99.91
       27.9 |          1        0.01       99.92
       28.8 |          1        0.01       99.93
         29 |          1        0.01       99.94
         31 |          2        0.02       99.96
         34 |          1        0.01       99.97
         36 |          1        0.01       99.98
      79.58 |          1        0.01       99.99
         89 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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