Frequencies for first 10,000 rows of prov0980 variable in pos2006 dataset :

     mental |
     health |
 services - |
   contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,285       92.85       92.85
        .01 |         46        0.46       93.31
        .03 |         87        0.87       94.18
        .04 |         30        0.30       94.48
        .05 |          1        0.01       94.49
        .06 |        123        1.23       95.72
        .07 |         27        0.27       95.99
        .09 |         44        0.44       96.43
         .1 |          5        0.05       96.48
        .11 |        137        1.37       97.85
        .13 |          1        0.01       97.86
        .14 |         21        0.21       98.07
        .17 |         24        0.24       98.31
        .19 |          2        0.02       98.33
         .2 |          1        0.01       98.34
        .21 |          3        0.03       98.37
        .22 |          1        0.01       98.38
        .23 |         35        0.35       98.73
        .25 |          7        0.07       98.80
        .26 |          3        0.03       98.83
        .27 |          1        0.01       98.84
        .29 |          7        0.07       98.91
         .3 |          2        0.02       98.93
        .34 |         12        0.12       99.05
        .36 |          9        0.09       99.14
        .37 |          1        0.01       99.15
        .39 |          2        0.02       99.17
        .43 |          6        0.06       99.23
        .46 |         11        0.11       99.34
         .5 |          2        0.02       99.36
        .51 |          2        0.02       99.38
        .54 |          1        0.01       99.39
        .57 |          9        0.09       99.48
        .69 |          5        0.05       99.53
        .86 |          4        0.04       99.57
        .91 |          3        0.03       99.60
        .93 |          1        0.01       99.61
          1 |          1        0.01       99.62
       1.03 |          1        0.01       99.63
       1.14 |          7        0.07       99.70
       1.23 |          1        0.01       99.71
       1.29 |          1        0.01       99.72
       1.37 |          1        0.01       99.73
       1.43 |          1        0.01       99.74
        1.6 |          2        0.02       99.76
       1.71 |          1        0.01       99.77
       1.83 |          2        0.02       99.79
          2 |          1        0.01       99.80
       2.03 |          1        0.01       99.81
       2.06 |          1        0.01       99.82
       2.14 |          1        0.01       99.83
       2.29 |          7        0.07       99.90
       2.77 |          1        0.01       99.91
       3.06 |          1        0.01       99.92
       3.43 |          1        0.01       99.93
       4.29 |          1        0.01       99.94
       4.34 |          1        0.01       99.95
       4.57 |          1        0.01       99.96
       5.71 |          1        0.01       99.97
         20 |          1        0.01       99.98
      22.86 |          1        0.01       99.99
      23.31 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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