Frequencies for first 10,000 rows of pct017g003 variable in sf12000860us35 dataset :

   Under 18 |
     years: |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,180       91.80       91.80
          1 |        422        4.22       96.02
          2 |        171        1.71       97.73
          3 |         83        0.83       98.56
          4 |         37        0.37       98.93
          5 |         28        0.28       99.21
          6 |         19        0.19       99.40
          7 |         17        0.17       99.57
          8 |          9        0.09       99.66
          9 |          6        0.06       99.72
         10 |          7        0.07       99.79
         11 |          2        0.02       99.81
         12 |          2        0.02       99.83
         13 |          1        0.01       99.84
         14 |          4        0.04       99.88
         15 |          3        0.03       99.91
         16 |          2        0.02       99.93
         24 |          1        0.01       99.94
         25 |          1        0.01       99.95
         27 |          2        0.02       99.97
         75 |          1        0.01       99.98
        131 |          1        0.01       99.99
        142 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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