Frequencies for first 10,000 rows of dur_cod variable in ther2009q3 dataset :

       Unit |
abbreviatio |
      n for |
duration of |
    therapy |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,437       74.37       74.37
        DAY |      2,216       22.16       96.53
         HR |          2        0.02       96.55
        MIN |         11        0.11       96.66
        MON |        117        1.17       97.83
         WK |         54        0.54       98.37
         YR |        163        1.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Dec 2015