Frequencies for a_age4 variable in per_aux dataset :

AGE Group 4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        112        8.56        8.56
          2 |        178       13.60       22.15
          3 |        163       12.45       34.61
          4 |        271       20.70       55.31
          5 |        163       12.45       67.76
          6 |        233       17.80       85.56
          7 |        102        7.79       93.35
          8 |         87        6.65      100.00
------------+-----------------------------------
      Total |      1,309      100.00

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