Frequencies for first 10,000 rows of prov3250 variable in pos2002 dataset :

  physician |
 extender - |
  full time |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,962       99.62       99.62
        .01 |          2        0.02       99.64
        .06 |          4        0.04       99.68
        .09 |          2        0.02       99.70
        .11 |          3        0.03       99.73
        .14 |          2        0.02       99.75
        .17 |          1        0.01       99.76
        .23 |          1        0.01       99.77
        .29 |          2        0.02       99.79
        .36 |          1        0.01       99.80
        .43 |          1        0.01       99.81
        .46 |          1        0.01       99.82
        .57 |          1        0.01       99.83
        .69 |          2        0.02       99.85
        .91 |          2        0.02       99.87
        .94 |          1        0.01       99.88
       1.14 |          7        0.07       99.95
       1.24 |          1        0.01       99.96
        1.3 |          1        0.01       99.97
       1.54 |          1        0.01       99.98
       2.07 |          1        0.01       99.99
       2.29 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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