Frequencies for first 10,000 rows of p038e013 variable in sf12010860us12 dataset :

    6 to 17 |
 years only |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,804       98.04       98.04
          1 |        174        1.74       99.78
          2 |         16        0.16       99.94
          3 |          2        0.02       99.96
          4 |          3        0.03       99.99
          6 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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