Frequencies for first 10,000 rows of rx1v3c3 variable in namcs2013 dataset :

   For RX1, |
 level 3 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,930       99.30       99.30
        185 |          6        0.06       99.36
        197 |         27        0.27       99.63
        203 |         33        0.33       99.96
        445 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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