Frequencies for first 10,000 rows of rx18v3c2 variable in namcs2014 dataset :

  For RX18, |
 level 3 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,992       99.92       99.92
        198 |          2        0.02       99.94
        203 |          1        0.01       99.95
        211 |          3        0.03       99.98
        385 |          1        0.01       99.99
        445 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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