Frequencies for first 10,000 rows of prov0915 variable in pos1991 dataset :

 homemakers |
    - staff |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,943       99.43       99.43
        .25 |         16        0.16       99.59
         .5 |          7        0.07       99.66
        .75 |          2        0.02       99.68
          1 |         16        0.16       99.84
       1.25 |          1        0.01       99.85
          2 |          7        0.07       99.92
          4 |          2        0.02       99.94
          5 |          2        0.02       99.96
          6 |          1        0.01       99.97
          7 |          1        0.01       99.98
          9 |          1        0.01       99.99
         21 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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