Frequencies for first 10,000 rows of cum_dose_unit variable in drug2017q1 dataset :

 Cumulative |
    dose to |
      first |
   reaction |
       unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,464       94.64       94.64
         DF |          9        0.09       94.73
          G |         43        0.43       95.16
         IU |          6        0.06       95.22
         MG |        449        4.49       99.71
      MG/M2 |          3        0.03       99.74
        MIU |          1        0.01       99.75
         ML |         20        0.20       99.95
         UG |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Sep 2017