Frequencies for first 10,000 rows of p038c013 variable in sf12010880us12 dataset :

    6 to 17 |
 years only |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,828       88.28       88.28
          1 |        792        7.92       96.20
          2 |        211        2.11       98.31
          3 |         81        0.81       99.12
          4 |         26        0.26       99.38
          5 |         20        0.20       99.58
          6 |         15        0.15       99.73
          7 |          6        0.06       99.79
          8 |          7        0.07       99.86
          9 |          2        0.02       99.88
         10 |          1        0.01       99.89
         11 |          5        0.05       99.94
         13 |          2        0.02       99.96
         14 |          2        0.02       99.98
         15 |          1        0.01       99.99
         46 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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