Frequencies for first 10,000 rows of pct012g186 variable in sf12010860us26 dataset :

   79 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,719       87.19       87.19
          1 |        866        8.66       95.85
          2 |        226        2.26       98.11
          3 |         82        0.82       98.93
          4 |         36        0.36       99.29
          5 |         27        0.27       99.56
          6 |         12        0.12       99.68
          7 |         10        0.10       99.78
          8 |          5        0.05       99.83
          9 |          8        0.08       99.91
         10 |          4        0.04       99.95
         11 |          4        0.04       99.99
         12 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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