Frequencies for first 10,000 rows of p038e019 variable in sf12010860us12 dataset :

    6 to 17 |
 years only |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,418       94.18       94.18
          1 |        451        4.51       98.69
          2 |         90        0.90       99.59
          3 |         26        0.26       99.85
          4 |         10        0.10       99.95
          5 |          3        0.03       99.98
          6 |          1        0.01       99.99
         17 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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