Frequencies for a_age7 variable in per_aux dataset :

AGE Group 7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         39        2.62        2.62
          2 |         36        2.42        5.05
          3 |         60        4.04        9.08
          4 |        210       14.13       23.22
          5 |        175       11.78       34.99
          6 |        295       19.85       54.85
          7 |        182       12.25       67.09
          8 |        159       10.70       77.79
          9 |        112        7.54       85.33
         10 |         62        4.17       89.50
         11 |         60        4.04       93.54
         12 |         96        6.46      100.00
------------+-----------------------------------
      Total |      1,486      100.00

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