Frequencies for first 10,000 rows of rx6v1c3 variable in namcs2013 dataset :

   For RX6, |
 level 1 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,975       99.75       99.75
        040 |          5        0.05       99.80
        057 |         12        0.12       99.92
        097 |          2        0.02       99.94
        105 |          3        0.03       99.97
        113 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017