Frequencies for first 10,000 rows of prov3025 variable in pos1992 dataset :

     social |
worker (bs) |
   - direct |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,934       99.34       99.34
         .3 |          1        0.01       99.35
         .5 |          3        0.03       99.38
          1 |         18        0.18       99.56
          2 |         17        0.17       99.73
        2.5 |          1        0.01       99.74
          3 |          3        0.03       99.77
          4 |          3        0.03       99.80
          5 |          3        0.03       99.83
        5.6 |          1        0.01       99.84
          6 |          6        0.06       99.90
          7 |          1        0.01       99.91
        9.3 |          1        0.01       99.92
         10 |          2        0.02       99.94
         11 |          1        0.01       99.95
         12 |          1        0.01       99.96
         13 |          1        0.01       99.97
         30 |          2        0.02       99.99
         36 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017