Frequencies for first 10,000 rows of rx21v1c1 variable in nhamcsed2015 dataset 

  For RX21, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,975       99.75       99.75
        001 |          1        0.01       99.76
        040 |          2        0.02       99.78
        057 |          5        0.05       99.83
        087 |          4        0.04       99.87
        115 |          2        0.02       99.89
        122 |          1        0.01       99.90
        242 |          3        0.03       99.93
        254 |          1        0.01       99.94
        358 |          5        0.05       99.99
        899 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017