Frequencies for first 10,000 rows of prov1120 variable in pos1991 dataset :

   physical |
 therapists |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,185       91.85       91.85
        .01 |          1        0.01       91.86
        .03 |          1        0.01       91.87
        .04 |          1        0.01       91.88
         .1 |          3        0.03       91.91
        .18 |          1        0.01       91.92
        .24 |          1        0.01       91.93
        .25 |        145        1.45       93.38
         .3 |          1        0.01       93.39
         .5 |         55        0.55       93.94
        .75 |         29        0.29       94.23
          1 |        227        2.27       96.50
        1.2 |          1        0.01       96.51
       1.25 |         14        0.14       96.65
        1.4 |          1        0.01       96.66
        1.5 |         39        0.39       97.05
       1.73 |          1        0.01       97.06
       1.75 |          5        0.05       97.11
          2 |         93        0.93       98.04
       2.05 |          1        0.01       98.05
       2.25 |          4        0.04       98.09
        2.5 |         12        0.12       98.21
       2.54 |          1        0.01       98.22
       2.75 |          2        0.02       98.24
          3 |         56        0.56       98.80
       3.25 |          2        0.02       98.82
        3.5 |          7        0.07       98.89
       3.75 |          2        0.02       98.91
          4 |         32        0.32       99.23
       4.25 |          1        0.01       99.24
        4.5 |          2        0.02       99.26
       4.75 |          1        0.01       99.27
          5 |         19        0.19       99.46
       5.25 |          1        0.01       99.47
        5.5 |          3        0.03       99.50
       5.75 |          2        0.02       99.52
          6 |         17        0.17       99.69
       6.25 |          3        0.03       99.72
        6.5 |          1        0.01       99.73
          7 |          5        0.05       99.78
       7.25 |          2        0.02       99.80
        7.5 |          2        0.02       99.82
          8 |          2        0.02       99.84
       8.25 |          2        0.02       99.86
        8.5 |          1        0.01       99.87
          9 |          1        0.01       99.88
        9.5 |          1        0.01       99.89
      10.75 |          1        0.01       99.90
         11 |          2        0.02       99.92
         12 |          3        0.03       99.95
      12.75 |          1        0.01       99.96
         13 |          1        0.01       99.97
         15 |          1        0.01       99.98
       16.5 |          1        0.01       99.99
      19.75 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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