Frequencies for first 10,000 rows of dur_cod variable in ther2012q3 dataset :

       Unit |
abbreviatio |
      n for |
duration of |
    therapy |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,799       77.99       77.99
        DAY |      1,756       17.56       95.55
         HR |          2        0.02       95.57
        MIN |          3        0.03       95.60
        MON |        156        1.56       97.16
         WK |         38        0.38       97.54
         YR |        246        2.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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