Frequencies for first 10,000 rows of prov0695 variable in pos1993 dataset :

   activity |
 therapists |
 - contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,761       97.61       97.61
        .01 |         26        0.26       97.87
        .03 |         34        0.34       98.21
        .04 |         14        0.14       98.35
        .05 |          1        0.01       98.36
        .06 |         59        0.59       98.95
        .07 |          6        0.06       99.01
        .09 |          8        0.08       99.09
         .1 |          1        0.01       99.10
        .11 |         23        0.23       99.33
        .14 |          3        0.03       99.36
        .16 |          1        0.01       99.37
        .17 |          1        0.01       99.38
         .2 |          1        0.01       99.39
        .23 |          4        0.04       99.43
        .25 |          4        0.04       99.47
        .26 |          1        0.01       99.48
        .29 |          6        0.06       99.54
        .34 |          1        0.01       99.55
        .36 |         10        0.10       99.65
        .46 |          1        0.01       99.66
        .55 |          1        0.01       99.67
        .57 |          1        0.01       99.68
        .63 |          1        0.01       99.69
        .71 |          1        0.01       99.70
         .8 |          3        0.03       99.73
          1 |          2        0.02       99.75
       1.04 |          1        0.01       99.76
       1.14 |          7        0.07       99.83
       1.29 |          1        0.01       99.84
       1.37 |          1        0.01       99.85
       1.43 |          2        0.02       99.87
       1.71 |          3        0.03       99.90
       1.76 |          1        0.01       99.91
          2 |          1        0.01       99.92
       2.29 |          1        0.01       99.93
       2.74 |          1        0.01       99.94
       3.43 |          1        0.01       99.95
       4.29 |          2        0.02       99.97
       5.71 |          1        0.01       99.98
      11.43 |          1        0.01       99.99
      42.86 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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