Frequencies for first 10,000 rows of rx8v1c3 variable in namcs2012 dataset :

   For RX8, |
 level 1 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,986       99.86       99.86
        057 |          6        0.06       99.92
        097 |          2        0.02       99.94
        105 |          4        0.04       99.98
        113 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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