Frequencies for first 10,000 rows of prov0785 variable in pos2001 dataset :

 dentists - |
   contract |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,177       91.77       91.77
        .01 |        123        1.23       93.00
        .02 |          3        0.03       93.03
        .03 |        153        1.53       94.56
        .04 |         36        0.36       94.92
        .05 |          7        0.07       94.99
        .06 |        175        1.75       96.74
        .07 |         30        0.30       97.04
        .08 |          2        0.02       97.06
        .09 |         40        0.40       97.46
         .1 |          7        0.07       97.53
        .11 |        116        1.16       98.69
        .13 |          5        0.05       98.74
        .14 |         21        0.21       98.95
        .17 |          4        0.04       98.99
         .2 |          1        0.01       99.00
        .21 |          2        0.02       99.02
        .23 |         19        0.19       99.21
        .25 |         17        0.17       99.38
        .26 |          3        0.03       99.41
        .29 |          6        0.06       99.47
        .31 |          1        0.01       99.48
        .36 |         12        0.12       99.60
         .5 |          6        0.06       99.66
        .57 |          1        0.01       99.67
        .86 |          1        0.01       99.68
        .91 |          1        0.01       99.69
       1.43 |          7        0.07       99.76
       2.86 |          6        0.06       99.82
       4.29 |          1        0.01       99.83
       5.71 |          8        0.08       99.91
       7.14 |          1        0.01       99.92
       8.57 |          3        0.03       99.95
      11.43 |          3        0.03       99.98
      18.57 |          1        0.01       99.99
         20 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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