Frequencies for first 10,000 rows of pct012g057 variable in sf12000860us22 dataset :

   54 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,714       77.14       77.14
          1 |      1,164       11.64       88.78
          2 |        464        4.64       93.42
          3 |        202        2.02       95.44
          4 |        102        1.02       96.46
          5 |         74        0.74       97.20
          6 |         55        0.55       97.75
          7 |         36        0.36       98.11
          8 |         31        0.31       98.42
          9 |         22        0.22       98.64
         10 |         16        0.16       98.80
         11 |         11        0.11       98.91
         12 |         19        0.19       99.10
         13 |         13        0.13       99.23
         14 |          9        0.09       99.32
         15 |          9        0.09       99.41
         16 |         11        0.11       99.52
         17 |          8        0.08       99.60
         18 |          4        0.04       99.64
         19 |         12        0.12       99.76
         20 |          1        0.01       99.77
         21 |          3        0.03       99.80
         22 |          2        0.02       99.82
         23 |          4        0.04       99.86
         24 |          5        0.05       99.91
         25 |          1        0.01       99.92
         26 |          1        0.01       99.93
         27 |          1        0.01       99.94
         28 |          1        0.01       99.95
         29 |          2        0.02       99.97
         33 |          1        0.01       99.98
         34 |          1        0.01       99.99
         46 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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