Frequencies for first 10,000 rows of prov2985 variable in pos1992 dataset :

         md |
psychiatris |
 t - direct |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,929       99.29       99.29
        .02 |          1        0.01       99.30
        .05 |          3        0.03       99.33
         .2 |          1        0.01       99.34
        .25 |          1        0.01       99.35
         .4 |          3        0.03       99.38
        .44 |          1        0.01       99.39
         .5 |          3        0.03       99.42
        .75 |          1        0.01       99.43
          1 |         20        0.20       99.63
        1.2 |          1        0.01       99.64
        1.5 |          3        0.03       99.67
          2 |          8        0.08       99.75
        2.2 |          2        0.02       99.77
       2.25 |          1        0.01       99.78
        2.5 |          2        0.02       99.80
          3 |          9        0.09       99.89
       4.05 |          1        0.01       99.90
        4.2 |          1        0.01       99.91
        4.6 |          1        0.01       99.92
          5 |          3        0.03       99.95
          6 |          1        0.01       99.96
          7 |          2        0.02       99.98
       12.2 |          1        0.01       99.99
      27.55 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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