Frequencies for first 10,000 rows of rx22v1c1 variable in nhamcsed2014 dataset :

  For RX22, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,986       99.86       99.86
        001 |          4        0.04       99.90
        057 |          2        0.02       99.92
        087 |          2        0.02       99.94
        097 |          1        0.01       99.95
        115 |          1        0.01       99.96
        122 |          3        0.03       99.99
        133 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017