Frequencies for first 10,000 rows of drsplty variable in h126f dataset :

       OPAT |
   DOCTOR'S |
  SPECIALTY |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |         34        0.34        0.34
         -8 |        174        1.74        2.08
         -1 |      5,354       53.54       55.62
          1 |          9        0.09       55.71
          2 |         22        0.22       55.93
          3 |        177        1.77       57.70
          4 |         38        0.38       58.08
          5 |         68        0.68       58.76
          6 |        157        1.57       60.33
          7 |        250        2.50       62.83
          8 |        476        4.76       67.59
          9 |        221        2.21       69.80
         10 |          3        0.03       69.83
         11 |        209        2.09       71.92
         12 |         73        0.73       72.65
         13 |         11        0.11       72.76
         14 |        179        1.79       74.55
         15 |        213        2.13       76.68
         16 |         76        0.76       77.44
         17 |          3        0.03       77.47
         18 |        350        3.50       80.97
         19 |        173        1.73       82.70
         20 |        362        3.62       86.32
         21 |          7        0.07       86.39
         22 |        128        1.28       87.67
         23 |          4        0.04       87.71
         24 |        167        1.67       89.38
         25 |         73        0.73       90.11
         26 |         37        0.37       90.48
         27 |         12        0.12       90.60
         28 |        149        1.49       92.09
         29 |         43        0.43       92.52
         30 |        238        2.38       94.90
         31 |         28        0.28       95.18
         32 |          6        0.06       95.24
         33 |         90        0.90       96.14
         91 |        386        3.86      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Feb 2018