Frequencies for first 10,000 rows of pct012g174 variable in sf12010860us26 dataset :

   67 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,844       78.44       78.44
          1 |      1,250       12.50       90.94
          2 |        376        3.76       94.70
          3 |        194        1.94       96.64
          4 |        117        1.17       97.81
          5 |         64        0.64       98.45
          6 |         34        0.34       98.79
          7 |         27        0.27       99.06
          8 |         19        0.19       99.25
          9 |         15        0.15       99.40
         10 |         10        0.10       99.50
         11 |          6        0.06       99.56
         12 |         11        0.11       99.67
         13 |          5        0.05       99.72
         14 |          3        0.03       99.75
         15 |          8        0.08       99.83
         16 |          5        0.05       99.88
         17 |          4        0.04       99.92
         18 |          2        0.02       99.94
         20 |          1        0.01       99.95
         21 |          1        0.01       99.96
         23 |          1        0.01       99.97
         24 |          1        0.01       99.98
         26 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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