Frequencies for first 10,000 rows of rx2v3c3 variable in namcs2014 dataset :

   For RX2, |
 level 3 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,943       99.43       99.43
        185 |          1        0.01       99.44
        197 |         17        0.17       99.61
        203 |         38        0.38       99.99
        440 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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