Frequencies for first 10,000 rows of rx5v1c3 variable in namcs2012 dataset :

   For RX5, |
 level 1 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,974       99.74       99.74
        040 |          4        0.04       99.78
        057 |         16        0.16       99.94
        097 |          2        0.02       99.96
        105 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016