Frequencies for first 10,000 rows of p039e017 variable in sf12010880us13 dataset :

    Under 6 |
 years only |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,752       97.52       97.52
          1 |        210        2.10       99.62
          2 |         27        0.27       99.89
          3 |          7        0.07       99.96
          4 |          3        0.03       99.99
          8 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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