Frequencies for first 10,000 rows of cum_dose_unit variable in drug2013q3 dataset :

 Cumulative |
    dose to |
      first |
   reaction |
       unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,814       98.14       98.14
         DF |          7        0.07       98.21
         GM |          3        0.03       98.24
        GTT |          3        0.03       98.27
        MEQ |          1        0.01       98.28
         MG |        154        1.54       99.82
      MG/KG |          4        0.04       99.86
    MG/M**2 |          3        0.03       99.89
         ML |          2        0.02       99.91
         UG |          8        0.08       99.99
      UG/KG |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2017