Frequencies for first 10,000 rows of prov1105 variable in pos1993 dataset :

   physical |
therapist - |
arrangement |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,914       99.14       99.14
        .02 |          1        0.01       99.15
        .33 |          1        0.01       99.16
         .5 |         11        0.11       99.27
        .75 |          2        0.02       99.29
          1 |         36        0.36       99.65
        1.5 |          5        0.05       99.70
       1.75 |          1        0.01       99.71
          2 |         15        0.15       99.86
          3 |          6        0.06       99.92
          4 |          2        0.02       99.94
          6 |          1        0.01       99.95
          9 |          3        0.03       99.98
         13 |          1        0.01       99.99
         56 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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