Frequencies for first 10,000 rows of cum_dose_unit variable in drug2017q2 dataset :

 Cumulative |
    dose to |
      first |
   reaction |
       unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,540       95.40       95.40
         DF |         20        0.20       95.60
          G |         26        0.26       95.86
         IU |          7        0.07       95.93
         MG |        395        3.95       99.88
      MG/KG |          1        0.01       99.89
      MG/M2 |          4        0.04       99.93
         ML |          1        0.01       99.94
         UG |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 Feb 2018