Frequencies for first 10,000 rows of p039e019 variable in sf12010880us13 dataset :

    6 to 17 |
 years only |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,543       95.43       95.43
          1 |        354        3.54       98.97
          2 |         64        0.64       99.61
          3 |         23        0.23       99.84
          4 |         11        0.11       99.95
          5 |          4        0.04       99.99
         15 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017