Frequencies for first 10,000 rows of rx3v1c3 variable in namcs2012 dataset :

   For RX3, |
 level 1 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,940       99.40       99.40
        040 |         11        0.11       99.51
        057 |         39        0.39       99.90
        097 |          1        0.01       99.91
        105 |          5        0.05       99.96
        113 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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