Frequencies for first 10,000 rows of age_cod variable in demo2015q1 dataset :

       Unit |
abbreviatio |
      n for |
  patient's |
        age |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,603       36.03       36.03
        DEC |          9        0.09       36.12
         DY |         92        0.92       37.04
        MON |         66        0.66       37.70
         WK |          4        0.04       37.74
         YR |      6,226       62.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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