Frequencies for first 10,000 rows of p034e004 variable in sf12000860us10 dataset :

    Under 6 |
 years only |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,446       94.46       94.46
          1 |        429        4.29       98.75
          2 |         88        0.88       99.63
          3 |         20        0.20       99.83
          4 |          8        0.08       99.91
          5 |          1        0.01       99.92
          6 |          4        0.04       99.96
          7 |          3        0.03       99.99
         16 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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