Frequencies for first 10,000 rows of dose_unit variable in drug2013q2 dataset :

    Unit of |
  drug dose |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      5,475       54.75       54.75
         DF |        264        2.64       57.39
          G |        128        1.28       58.67
         GM |          5        0.05       58.72
        GTT |          7        0.07       58.79
         IU |         34        0.34       59.13
      IU/KG |          2        0.02       59.15
        MCI |          2        0.02       59.17
        MEQ |          3        0.03       59.20
         MG |      3,602       36.02       95.22
      MG/KG |         43        0.43       95.65
    MG/M**2 |         61        0.61       96.26
         ML |         59        0.59       96.85
         NG |          3        0.03       96.88
        PCT |          7        0.07       96.95
       U/KG |          1        0.01       96.96
         UG |        301        3.01       99.97
      UG/KG |          2        0.02       99.99
    UG/M**2 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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