Frequencies for first 10,000 rows of prov0990 variable in pos1995 dataset :

     mental |
     health |
 services - |
  part time |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,976       99.76       99.76
        .01 |          1        0.01       99.77
        .02 |          1        0.01       99.78
        .06 |          1        0.01       99.79
        .09 |          1        0.01       99.80
        .11 |          1        0.01       99.81
        .14 |          2        0.02       99.83
        .19 |          1        0.01       99.84
        .34 |          2        0.02       99.86
        .36 |          1        0.01       99.87
        .45 |          1        0.01       99.88
        .46 |          1        0.01       99.89
        .63 |          1        0.01       99.90
        .83 |          1        0.01       99.91
       1.09 |          1        0.01       99.92
       1.14 |          1        0.01       99.93
       1.24 |          1        0.01       99.94
       1.54 |          1        0.01       99.95
          2 |          1        0.01       99.96
        3.5 |          1        0.01       99.97
       5.86 |          1        0.01       99.98
      10.03 |          1        0.01       99.99
     182.86 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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