Frequencies for first 10,000 rows of rx15v1c1 variable in nhamcsed2015 dataset 

  For RX15, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,921       99.21       99.21
        001 |          3        0.03       99.24
        028 |          1        0.01       99.25
        040 |         11        0.11       99.36
        057 |         20        0.20       99.56
        081 |          3        0.03       99.59
        087 |         11        0.11       99.70
        097 |          4        0.04       99.74
        105 |          1        0.01       99.75
        113 |          2        0.02       99.77
        115 |         10        0.10       99.87
        122 |          3        0.03       99.90
        133 |          1        0.01       99.91
        218 |          1        0.01       99.92
        242 |          1        0.01       99.93
        358 |          6        0.06       99.99
        365 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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