Frequencies for first 10,000 rows of age_cod variable in demo2013q2 dataset :

       Unit |
abbreviatio |
      n for |
  patient's |
        age |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,075       20.75       20.75
        DEC |         13        0.13       20.88
         DY |         76        0.76       21.64
         HR |          1        0.01       21.65
        MON |         58        0.58       22.23
         WK |          4        0.04       22.27
         YR |      7,773       77.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 6 Apr 2017