Frequencies for first 10,000 rows of prov0990 variable in pos1999 dataset :

     mental |
     health |
 services - |
  part time |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,965       99.65       99.65
        .01 |          1        0.01       99.66
        .02 |          1        0.01       99.67
        .03 |          4        0.04       99.71
        .06 |          2        0.02       99.73
        .09 |          1        0.01       99.74
        .11 |          4        0.04       99.78
        .14 |          2        0.02       99.80
        .23 |          1        0.01       99.81
        .29 |          1        0.01       99.82
        .34 |          1        0.01       99.83
        .45 |          1        0.01       99.84
        .49 |          1        0.01       99.85
        .69 |          1        0.01       99.86
        .83 |          1        0.01       99.87
       1.03 |          1        0.01       99.88
       1.24 |          1        0.01       99.89
       1.29 |          1        0.01       99.90
       1.31 |          2        0.02       99.92
       1.63 |          1        0.01       99.93
       2.43 |          1        0.01       99.94
       2.64 |          1        0.01       99.95
       2.86 |          1        0.01       99.96
       3.91 |          1        0.01       99.97
          4 |          1        0.01       99.98
      11.43 |          1        0.01       99.99
     344.29 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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