Frequencies for first 10,000 rows of rx5v2c4 variable in namcs2015 dataset :

   For RX5, |
 level 2 of |
MULTUM drug |
category #4 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,987       99.87       99.87
        066 |          7        0.07       99.94
        104 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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