Frequencies for first 10,000 rows of prov1200 variable in pos1991 dataset :

     speech |
pathologist |
- part time |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,969       99.69       99.69
        .01 |          2        0.02       99.71
        .05 |          1        0.01       99.72
         .2 |          1        0.01       99.73
        .25 |         12        0.12       99.85
        .34 |          1        0.01       99.86
         .5 |          4        0.04       99.90
        .57 |          1        0.01       99.91
        .75 |          1        0.01       99.92
          1 |          6        0.06       99.98
       1.75 |          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