Frequencies for first 10,000 rows of pct012g164 variable in sf12010860us26 dataset :

   57 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,054       70.54       70.54
          1 |      1,422       14.22       84.76
          2 |        570        5.70       90.46
          3 |        317        3.17       93.63
          4 |        182        1.82       95.45
          5 |        103        1.03       96.48
          6 |         75        0.75       97.23
          7 |         46        0.46       97.69
          8 |         48        0.48       98.17
          9 |         42        0.42       98.59
         10 |         22        0.22       98.81
         11 |         18        0.18       98.99
         12 |         23        0.23       99.22
         13 |         12        0.12       99.34
         14 |          9        0.09       99.43
         15 |          3        0.03       99.46
         16 |         10        0.10       99.56
         17 |          6        0.06       99.62
         18 |          2        0.02       99.64
         19 |          4        0.04       99.68
         20 |          1        0.01       99.69
         21 |          3        0.03       99.72
         22 |          5        0.05       99.77
         23 |          3        0.03       99.80
         24 |          2        0.02       99.82
         25 |          2        0.02       99.84
         26 |          3        0.03       99.87
         27 |          3        0.03       99.90
         28 |          1        0.01       99.91
         29 |          1        0.01       99.92
         30 |          2        0.02       99.94
         31 |          1        0.01       99.95
         32 |          3        0.03       99.98
         33 |          1        0.01       99.99
         35 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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