Frequencies for first 10,000 rows of prov1140 variable in pos1993 dataset :

podiatrists |
- part time |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,985       99.85       99.85
        .03 |          2        0.02       99.87
        .04 |          1        0.01       99.88
        .06 |          3        0.03       99.91
        .11 |          3        0.03       99.94
        .25 |          2        0.02       99.96
        .29 |          1        0.01       99.97
         .4 |          1        0.01       99.98
         .5 |          1        0.01       99.99
       4.29 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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