Frequencies for first 10,000 rows of pct015012 variable in sf12000860us15 dataset :

     Foster |
      child |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,368       63.68       63.68
          1 |      1,078       10.78       74.46
          2 |        699        6.99       81.45
          3 |        404        4.04       85.49
          4 |        300        3.00       88.49
          5 |        220        2.20       90.69
          6 |        156        1.56       92.25
          7 |        118        1.18       93.43
          8 |        114        1.14       94.57
          9 |         90        0.90       95.47
         10 |         63        0.63       96.10
         11 |         58        0.58       96.68
         12 |         42        0.42       97.10
         13 |         38        0.38       97.48
         14 |         21        0.21       97.69
         15 |         27        0.27       97.96
         16 |         15        0.15       98.11
         17 |         17        0.17       98.28
         18 |         12        0.12       98.40
         19 |         13        0.13       98.53
         20 |         19        0.19       98.72
         21 |         11        0.11       98.83
         22 |         11        0.11       98.94
         23 |         10        0.10       99.04
         24 |          8        0.08       99.12
         25 |          8        0.08       99.20
         26 |          4        0.04       99.24
         27 |          5        0.05       99.29
         28 |          6        0.06       99.35
         29 |         10        0.10       99.45
         30 |          2        0.02       99.47
         31 |          3        0.03       99.50
         32 |          3        0.03       99.53
         33 |          2        0.02       99.55
         34 |          6        0.06       99.61
         35 |          3        0.03       99.64
         36 |          2        0.02       99.66
         38 |          3        0.03       99.69
         40 |          1        0.01       99.70
         41 |          2        0.02       99.72
         42 |          2        0.02       99.74
         43 |          4        0.04       99.78
         44 |          1        0.01       99.79
         47 |          1        0.01       99.80
         50 |          1        0.01       99.81
         52 |          1        0.01       99.82
         53 |          1        0.01       99.83
         56 |          4        0.04       99.87
         60 |          1        0.01       99.88
         61 |          1        0.01       99.89
         63 |          1        0.01       99.90
         65 |          1        0.01       99.91
         66 |          1        0.01       99.92
         68 |          3        0.03       99.95
         76 |          1        0.01       99.96
         82 |          1        0.01       99.97
         88 |          1        0.01       99.98
         90 |          1        0.01       99.99
        100 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017