Frequencies for first 10,000 rows of prov0795 variable in pos1991 dataset :

 * dentists |
- part time |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,986       99.86       99.86
        .01 |          1        0.01       99.87
        .02 |          1        0.01       99.88
        .25 |          9        0.09       99.97
       1.25 |          1        0.01       99.98
          2 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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