Frequencies for first 10,000 rows of rx20v1c1 variable in nhamcsed2014 dataset :

  For RX20, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,977       99.77       99.77
        001 |          3        0.03       99.80
        040 |          2        0.02       99.82
        057 |          6        0.06       99.88
        081 |          2        0.02       99.90
        087 |          5        0.05       99.95
        105 |          1        0.01       99.96
        115 |          3        0.03       99.99
        242 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017