Frequencies for first 10,000 rows of rx14v1c1 variable in nhamcsed2015 dataset 

  For RX14, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,899       98.99       98.99
        001 |          8        0.08       99.07
        040 |          8        0.08       99.15
        057 |         25        0.25       99.40
        081 |          5        0.05       99.45
        087 |         11        0.11       99.56
        097 |          4        0.04       99.60
        105 |          3        0.03       99.63
        115 |          8        0.08       99.71
        122 |          6        0.06       99.77
        133 |          3        0.03       99.80
        218 |          1        0.01       99.81
        242 |          5        0.05       99.86
        254 |          2        0.02       99.88
        331 |          2        0.02       99.90
        358 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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