Frequencies for first 10,000 rows of p039c004 variable in sf12010860us13 dataset :

    Under 6 |
 years only |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,486       74.86       74.86
          1 |      1,312       13.12       87.98
          2 |        480        4.80       92.78
          3 |        256        2.56       95.34
          4 |        149        1.49       96.83
          5 |        116        1.16       97.99
          6 |         52        0.52       98.51
          7 |         35        0.35       98.86
          8 |         23        0.23       99.09
          9 |         16        0.16       99.25
         10 |         14        0.14       99.39
         11 |          7        0.07       99.46
         12 |          7        0.07       99.53
         13 |          7        0.07       99.60
         14 |          5        0.05       99.65
         15 |          8        0.08       99.73
         16 |          2        0.02       99.75
         17 |          2        0.02       99.77
         18 |          3        0.03       99.80
         20 |          2        0.02       99.82
         21 |          2        0.02       99.84
         22 |          2        0.02       99.86
         24 |          1        0.01       99.87
         26 |          1        0.01       99.88
         33 |          1        0.01       99.89
         37 |          2        0.02       99.91
         38 |          1        0.01       99.92
         53 |          1        0.01       99.93
         61 |          1        0.01       99.94
         68 |          1        0.01       99.95
         78 |          1        0.01       99.96
         94 |          1        0.01       99.97
        129 |          1        0.01       99.98
        160 |          1        0.01       99.99
        180 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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