Frequencies for first 10,000 rows of prov0990 variable in pos2006 dataset :

     mental |
     health |
 services - |
  part time |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,968       99.68       99.68
        .01 |          1        0.01       99.69
        .02 |          1        0.01       99.70
        .03 |          2        0.02       99.72
        .06 |          1        0.01       99.73
        .09 |          2        0.02       99.75
        .11 |          2        0.02       99.77
        .14 |          1        0.01       99.78
        .17 |          1        0.01       99.79
        .23 |          3        0.03       99.82
        .29 |          2        0.02       99.84
        .45 |          1        0.01       99.85
        .46 |          1        0.01       99.86
        .49 |          1        0.01       99.87
        .51 |          1        0.01       99.88
        .57 |          3        0.03       99.91
        .69 |          2        0.02       99.93
         .8 |          1        0.01       99.94
       1.03 |          1        0.01       99.95
       1.13 |          1        0.01       99.96
       1.24 |          1        0.01       99.97
       1.49 |          1        0.01       99.98
       9.11 |          1        0.01       99.99
      11.43 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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