Frequencies for first 10,000 rows of prov0990 variable in pos1992 dataset :

     mental |
     health |
 services - |
  part time |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,979       99.79       99.79
        .02 |          1        0.01       99.80
        .03 |          1        0.01       99.81
        .05 |          1        0.01       99.82
        .06 |          1        0.01       99.83
        .21 |          1        0.01       99.84
        .25 |          2        0.02       99.86
        .43 |          2        0.02       99.88
        .45 |          1        0.01       99.89
         .5 |          1        0.01       99.90
        .74 |          1        0.01       99.91
        .91 |          1        0.01       99.92
          2 |          1        0.01       99.93
       2.69 |          1        0.01       99.94
       2.86 |          1        0.01       99.95
       4.29 |          1        0.01       99.96
          7 |          1        0.01       99.97
       7.25 |          1        0.01       99.98
      10.25 |          1        0.01       99.99
      12.86 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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