Frequencies for a_age4 variable in per_aux dataset :

AGE Group 4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        135        9.08        9.08
          2 |        210       14.13       23.22
          3 |        175       11.78       34.99
          4 |        295       19.85       54.85
          5 |        182       12.25       67.09
          6 |        271       18.24       85.33
          7 |        122        8.21       93.54
          8 |         96        6.46      100.00
------------+-----------------------------------
      Total |      1,486      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016