Frequencies for first 10,000 rows of age_cod variable in demo2006q3 dataset :

       Unit |
abbreviatio |
      n for |
  patient's |
        age |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,124       31.24       31.24
        DEC |         24        0.24       31.48
         DY |        112        1.12       32.60
         HR |          5        0.05       32.65
        MON |         81        0.81       33.46
         WK |          4        0.04       33.50
         YR |      6,650       66.50      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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