Frequencies for first 10,000 rows of rx11v3c2 variable in nhamcsed2012 dataset :

  For RX11, |
 level 3 of |
MULTUM drug |
category #2 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,996       99.96       99.96
        185 |          1        0.01       99.97
        196 |          1        0.01       99.98
        211 |          1        0.01       99.99
        385 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016