Frequencies for first 10,000 rows of rx1v1c3 variable in namcs2015 dataset :

   For RX1, |
 level 1 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,935       99.35       99.35
        040 |          8        0.08       99.43
        057 |         43        0.43       99.86
        097 |         10        0.10       99.96
        105 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017