Frequencies for first 10,000 rows of prov1440 variable in pos1991 dataset :

   physical |
 therapists |
- part time |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,934       99.34       99.34
        .01 |          1        0.01       99.35
        .02 |          1        0.01       99.36
        .03 |          1        0.01       99.37
        .07 |          1        0.01       99.38
        .09 |          2        0.02       99.40
         .1 |          1        0.01       99.41
        .17 |          1        0.01       99.42
         .2 |          1        0.01       99.43
        .23 |          2        0.02       99.45
        .25 |         12        0.12       99.57
        .29 |          1        0.01       99.58
        .31 |          1        0.01       99.59
        .36 |          1        0.01       99.60
         .4 |          1        0.01       99.61
         .5 |         14        0.14       99.75
        .57 |          1        0.01       99.76
         .6 |          1        0.01       99.77
        .65 |          1        0.01       99.78
        .71 |          1        0.01       99.79
        .75 |          3        0.03       99.82
          1 |          8        0.08       99.90
       1.25 |          2        0.02       99.92
        1.4 |          1        0.01       99.93
        1.5 |          2        0.02       99.95
       1.75 |          1        0.01       99.96
          2 |          2        0.02       99.98
          8 |          1        0.01       99.99
       1200 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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