Frequencies for first 10,000 rows of prov1485 variable in pos2004 dataset :

home health |
    aides - |
  volunteer |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,975       99.75       99.75
         .1 |          1        0.01       99.76
        .25 |          1        0.01       99.77
         .5 |          3        0.03       99.80
          1 |         13        0.13       99.93
        1.5 |          1        0.01       99.94
          2 |          3        0.03       99.97
          3 |          2        0.02       99.99
          5 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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