Frequencies for first 10,000 rows of age_cod variable in demo2015q4 dataset :

       Unit |
abbreviatio |
      n for |
  patient's |
        age |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,702       27.02       27.02
        DEC |         12        0.12       27.14
         DY |        168        1.68       28.82
        MON |         74        0.74       29.56
         WK |          6        0.06       29.62
         YR |      7,038       70.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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