Frequencies for first 10,000 rows of rx20v2c2 variable in namcs2014 dataset :

  For RX20, |
 level 2 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,991       99.91       99.91
        012 |          1        0.01       99.92
        046 |          1        0.01       99.93
        053 |          1        0.01       99.94
        083 |          3        0.03       99.97
        125 |          1        0.01       99.98
        263 |          1        0.01       99.99
        289 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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