Frequencies for first 10,000 rows of rx1v2c3 variable in namcs2015 dataset :

   For RX1, |
 level 2 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,935       99.35       99.35
        064 |         23        0.23       99.58
        065 |         20        0.20       99.78
        101 |         10        0.10       99.88
        270 |          4        0.04       99.92
        430 |          3        0.03       99.95
        433 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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