Frequencies for first 10,000 rows of prov1070 variable in pos1991 dataset :

      other |
physician - |
  part time |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,965       99.65       99.65
        .01 |          1        0.01       99.66
        .04 |          1        0.01       99.67
        .09 |          1        0.01       99.68
         .2 |          1        0.01       99.69
        .22 |          1        0.01       99.70
        .23 |          2        0.02       99.72
        .25 |          9        0.09       99.81
        .44 |          1        0.01       99.82
         .5 |          4        0.04       99.86
        .57 |          1        0.01       99.87
        .75 |          1        0.01       99.88
          1 |          2        0.02       99.90
       1.25 |          2        0.02       99.92
          2 |          1        0.01       99.93
       2.25 |          1        0.01       99.94
       3.45 |          1        0.01       99.95
          4 |          2        0.02       99.97
        4.5 |          1        0.01       99.98
         10 |          1        0.01       99.99
         12 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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