Frequencies for a_age3 variable in per_aux dataset :

AGE Group 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         26        1.75        1.75
          2 |         38        2.56        4.31
          3 |         29        1.95        6.26
          4 |         42        2.83        9.08
          5 |        210       14.13       23.22
          6 |        175       11.78       34.99
          7 |        295       19.85       54.85
          8 |        182       12.25       67.09
          9 |        159       10.70       77.79
         10 |        112        7.54       85.33
         11 |         62        4.17       89.50
         12 |         60        4.04       93.54
         13 |         96        6.46      100.00
------------+-----------------------------------
      Total |      1,486      100.00

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