Frequencies for first 10,000 rows of h016e003 variable in sf12000860us39 dataset :

Householder |
   15 to 24 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,884       98.84       98.84
          1 |        106        1.06       99.90
          2 |          9        0.09       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Apr 2017