Frequencies for first 10,000 rows of rx23v3c1 variable in nhamcsed2015 dataset 

  For RX23, |
 level 3 of |
MULTUM drug |
category #1 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,993       99.93       99.93
        060 |          1        0.01       99.94
        070 |          1        0.01       99.95
        173 |          1        0.01       99.96
        191 |          1        0.01       99.97
        195 |          1        0.01       99.98
        306 |          1        0.01       99.99
        368 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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