Frequencies for first 10,000 rows of P035E018 variable in sf12000860us11 dataset :

    Under 6 |
years and 6 |
to 17 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,780       97.80       97.80
          1 |        172        1.72       99.52
          2 |         40        0.40       99.92
          3 |          6        0.06       99.98
          4 |          1        0.01       99.99
          5 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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