Frequencies for first 10,000 rows of dose_unit variable in drug2013q1 dataset :

    Unit of |
  drug dose |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      5,795       57.95       57.95
         DF |        214        2.14       60.09
          G |         76        0.76       60.85
         GM |          9        0.09       60.94
        GTT |          9        0.09       61.03
         IU |         53        0.53       61.56
     MBG/KG |          1        0.01       61.57
        MBQ |          2        0.02       61.59
        MEQ |          6        0.06       61.65
         MG |      3,295       32.95       94.60
      MG/KG |         62        0.62       95.22
    MG/M**2 |         93        0.93       96.15
      MG/M2 |          2        0.02       96.17
        MIU |          1        0.01       96.18
         ML |         57        0.57       96.75
        PCT |          5        0.05       96.80
         UG |        317        3.17       99.97
      UG/KG |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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