Frequencies for first 10,000 rows of rx21v2c2 variable in namcs2015 dataset :

  For RX21, |
 level 2 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,995       99.95       99.95
        046 |          1        0.01       99.96
        053 |          1        0.01       99.97
        065 |          1        0.01       99.98
        083 |          1        0.01       99.99
        130 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017