Frequencies for first 10,000 rows of age_grp_num variable in demo2018q3 dataset :

  Age Group |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,083       80.83       80.83
          A |      1,013       10.13       90.96
          C |         63        0.63       91.59
          E |        767        7.67       99.26
          I |         13        0.13       99.39
          N |         39        0.39       99.78
          T |         22        0.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Mar 2019