Frequencies for first 10,000 rows of rx13v1c1 variable in nhamcsed2015 dataset 

  For RX13, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,876       98.76       98.76
        001 |         10        0.10       98.86
        020 |          1        0.01       98.87
        040 |         18        0.18       99.05
        057 |         22        0.22       99.27
        081 |          5        0.05       99.32
        087 |         15        0.15       99.47
        097 |          6        0.06       99.53
        105 |          1        0.01       99.54
        115 |         19        0.19       99.73
        122 |          7        0.07       99.80
        133 |          5        0.05       99.85
        242 |          8        0.08       99.93
        358 |          5        0.05       99.98
        365 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017