Frequencies for first 10,000 rows of prov0990 variable in pos1993 dataset :

     mental |
     health |
 services - |
  part time |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,974       99.74       99.74
        .01 |          2        0.02       99.76
        .02 |          1        0.01       99.77
        .06 |          1        0.01       99.78
        .17 |          1        0.01       99.79
         .2 |          1        0.01       99.80
        .23 |          1        0.01       99.81
        .25 |          1        0.01       99.82
        .34 |          1        0.01       99.83
        .43 |          1        0.01       99.84
        .45 |          1        0.01       99.85
        .46 |          1        0.01       99.86
        .57 |          2        0.02       99.88
        .63 |          1        0.01       99.89
        .67 |          1        0.01       99.90
          1 |          1        0.01       99.91
        1.4 |          1        0.01       99.92
       1.57 |          1        0.01       99.93
       1.94 |          1        0.01       99.94
          2 |          1        0.01       99.95
       2.13 |          1        0.01       99.96
       3.66 |          1        0.01       99.97
       4.27 |          1        0.01       99.98
       4.29 |          1        0.01       99.99
     125.51 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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