Frequencies for first 10,000 rows of rx22v1c2 variable in namcs2015 dataset :

  For RX22, |
 level 1 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,993       99.93       99.93
        040 |          1        0.01       99.94
        057 |          2        0.02       99.96
        115 |          1        0.01       99.97
        122 |          2        0.02       99.99
        133 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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