Frequencies for first 10,000 rows of prov0980 variable in pos1993 dataset :

     mental |
     health |
 services - |
   contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,517       95.17       95.17
        .01 |         87        0.87       96.04
        .03 |         59        0.59       96.63
        .04 |         14        0.14       96.77
        .05 |          2        0.02       96.79
        .06 |         53        0.53       97.32
        .07 |         25        0.25       97.57
        .09 |         13        0.13       97.70
         .1 |          5        0.05       97.75
        .11 |         56        0.56       98.31
        .13 |          4        0.04       98.35
        .14 |         20        0.20       98.55
        .16 |          1        0.01       98.56
        .17 |         22        0.22       98.78
        .19 |          1        0.01       98.79
         .2 |          1        0.01       98.80
        .22 |          1        0.01       98.81
        .23 |         17        0.17       98.98
        .25 |         12        0.12       99.10
        .26 |          3        0.03       99.13
        .27 |          1        0.01       99.14
        .29 |          7        0.07       99.21
        .34 |          5        0.05       99.26
        .36 |         22        0.22       99.48
         .4 |          3        0.03       99.51
        .43 |          2        0.02       99.53
        .46 |          6        0.06       99.59
         .5 |          3        0.03       99.62
        .57 |          3        0.03       99.65
        .66 |          1        0.01       99.66
        .69 |          3        0.03       99.69
        .71 |          3        0.03       99.72
        .74 |          1        0.01       99.73
        .86 |          1        0.01       99.74
        .99 |          1        0.01       99.75
          1 |          3        0.03       99.78
       1.09 |          1        0.01       99.79
       1.14 |          2        0.02       99.81
       1.43 |          4        0.04       99.85
       1.79 |          1        0.01       99.86
       2.86 |          1        0.01       99.87
       4.29 |          1        0.01       99.88
          5 |          1        0.01       99.89
       5.36 |          1        0.01       99.90
       5.71 |          3        0.03       99.93
       8.57 |          2        0.02       99.95
      11.43 |          2        0.02       99.97
      15.29 |          1        0.01       99.98
         25 |          1        0.01       99.99
     285.71 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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