Frequencies for first 10,000 rows of rx13v1c2 variable in nhamcsed2015 dataset 

  For RX13, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,981       99.81       99.81
        001 |          1        0.01       99.82
        040 |          2        0.02       99.84
        057 |          4        0.04       99.88
        081 |          1        0.01       99.89
        097 |          1        0.01       99.90
        105 |          2        0.02       99.92
        115 |          1        0.01       99.93
        122 |          5        0.05       99.98
        133 |          1        0.01       99.99
        358 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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