Frequencies for first 10,000 rows of rx16cat2 variable in nhamcsed2015 dataset 

  For RX16, |
MULTUM drug |
category #2 |
     - most |
   detailed |
 level (can |
  be either |
  Level 1,2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,990       99.90       99.90
        012 |          1        0.01       99.91
        117 |          1        0.01       99.92
        129 |          3        0.03       99.95
        198 |          3        0.03       99.98
        210 |          1        0.01       99.99
        340 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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