Frequencies for first 10,000 rows of ager variable in namcs2001 dataset :

 age recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,439       14.39       14.39
          2 |        693        6.93       21.32
          3 |      2,256       22.56       43.88
          4 |      2,845       28.45       72.33
          5 |      1,359       13.59       85.92
          6 |      1,408       14.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016