Frequencies for first 10,000 rows of rx19v3c1 variable in nhamcsed2015 dataset 

  For RX19, |
 level 3 of |
MULTUM drug |
category #1 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,984       99.84       99.84
        070 |          3        0.03       99.87
        138 |          1        0.01       99.88
        154 |          2        0.02       99.90
        168 |          1        0.01       99.91
        191 |          1        0.01       99.92
        195 |          1        0.01       99.93
        215 |          1        0.01       99.94
        225 |          1        0.01       99.95
        261 |          1        0.01       99.96
        262 |          1        0.01       99.97
        290 |          1        0.01       99.98
        299 |          1        0.01       99.99
        301 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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