Frequencies for first 10,000 rows of rx20v3c2 variable in nhamcsed2015 dataset 

  For RX20, |
 level 3 of |
MULTUM drug |
category #2 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,998       99.98       99.98
        210 |          1        0.01       99.99
        386 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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