Frequencies for first 10,000 rows of dose_unit variable in drug2016q4 dataset :

    Unit of |
  drug dose |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      4,314       43.14       43.14
         DF |        282        2.82       45.96
          G |         83        0.83       46.79
        GTT |         15        0.15       46.94
         IU |         43        0.43       47.37
      IU/KG |          3        0.03       47.40
        MEQ |          6        0.06       47.46
         MG |      4,806       48.06       95.52
      MG/KG |         97        0.97       96.49
    MG/M**2 |        120        1.20       97.69
        MIU |          2        0.02       97.71
         ML |         36        0.36       98.07
         NG |          1        0.01       98.08
        PCT |         16        0.16       98.24
         UG |        142        1.42       99.66
      UG/KG |         34        0.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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