Frequencies for first 10,000 rows of prov0785 variable in pos1991 dataset :

 * dentists |
 - contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,983       89.83       89.83
        .01 |        192        1.92       91.75
        .02 |         13        0.13       91.88
        .03 |         13        0.13       92.01
        .04 |          5        0.05       92.06
        .05 |         26        0.26       92.32
        .06 |         13        0.13       92.45
        .07 |          2        0.02       92.47
        .08 |          3        0.03       92.50
        .09 |          3        0.03       92.53
         .1 |         32        0.32       92.85
        .11 |          7        0.07       92.92
        .12 |          1        0.01       92.93
        .15 |          1        0.01       92.94
         .2 |          2        0.02       92.96
        .25 |        561        5.61       98.57
         .3 |          1        0.01       98.58
        .45 |          1        0.01       98.59
         .5 |         38        0.38       98.97
        .69 |          1        0.01       98.98
         .7 |          1        0.01       98.99
        .75 |          5        0.05       99.04
        .79 |          1        0.01       99.05
          1 |         76        0.76       99.81
          2 |          5        0.05       99.86
          4 |          3        0.03       99.89
          5 |          1        0.01       99.90
          6 |          2        0.02       99.92
          8 |          2        0.02       99.94
         20 |          1        0.01       99.95
         80 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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