Frequencies for first 10,000 rows of rxnum variable in h170 dataset :

          # |
 PRESCRIBED |
  MEDICINES |
  ASSOC. W/ |
      COND. |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,853       48.53       48.53
          1 |      2,259       22.59       71.12
          2 |      1,321       13.21       84.33
          3 |        778        7.78       92.11
          4 |        299        2.99       95.10
          5 |        157        1.57       96.67
          6 |        149        1.49       98.16
          7 |         61        0.61       98.77
          8 |         50        0.50       99.27
          9 |         26        0.26       99.53
         10 |         18        0.18       99.71
         11 |          9        0.09       99.80
         12 |          5        0.05       99.85
         13 |          5        0.05       99.90
         14 |          3        0.03       99.93
         15 |          2        0.02       99.95
         16 |          1        0.01       99.96
         17 |          3        0.03       99.99
         19 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 14 Jul 2017