Frequencies for first 10,000 rows of a_age7 variable in per_aux dataset :

AGE Group 7 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        283        2.83        2.83
          2 |        274        2.74        5.57
          3 |        523        5.23       10.80
          4 |      1,739       17.39       28.19
          5 |      1,365       13.65       41.84
          6 |      2,103       21.03       62.87
          7 |      1,136       11.36       74.23
          8 |        711        7.11       81.34
          9 |        601        6.01       87.35
         10 |        461        4.61       91.96
         11 |        329        3.29       95.25
         12 |        475        4.75      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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