Frequencies for first 10,000 rows of prov0990 variable in pos2002 dataset :

     mental |
     health |
 services - |
  part time |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,976       99.76       99.76
        .01 |          2        0.02       99.78
        .02 |          1        0.01       99.79
        .03 |          1        0.01       99.80
        .06 |          1        0.01       99.81
        .11 |          1        0.01       99.82
        .14 |          1        0.01       99.83
        .23 |          1        0.01       99.84
        .29 |          2        0.02       99.86
        .45 |          1        0.01       99.87
        .49 |          1        0.01       99.88
        .57 |          1        0.01       99.89
        .69 |          2        0.02       99.91
        .91 |          2        0.02       99.93
       1.03 |          2        0.02       99.95
       1.24 |          1        0.01       99.96
       1.94 |          1        0.01       99.97
       2.27 |          1        0.01       99.98
       5.37 |          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