Frequencies for first 10,000 rows of rx18v1c1 variable in nhamcsed2015 dataset 

  For RX18, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,958       99.58       99.58
        001 |          5        0.05       99.63
        040 |          4        0.04       99.67
        057 |          8        0.08       99.75
        087 |          4        0.04       99.79
        097 |          2        0.02       99.81
        105 |          1        0.01       99.82
        115 |          5        0.05       99.87
        122 |          4        0.04       99.91
        133 |          2        0.02       99.93
        242 |          1        0.01       99.94
        358 |          5        0.05       99.99
        365 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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