Frequencies for first 10,000 rows of rx3v2c3 variable in namcs2013 dataset :

   For RX3, |
 level 2 of |
MULTUM drug |
category #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,966       99.66       99.66
        064 |         20        0.20       99.86
        065 |          8        0.08       99.94
        101 |          1        0.01       99.95
        104 |          1        0.01       99.96
        265 |          1        0.01       99.97
        270 |          1        0.01       99.98
        430 |          1        0.01       99.99
        433 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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