Frequencies for first 10,000 rows of pct012g176 variable in sf12010860us26 dataset :

   69 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,109       81.09       81.09
          1 |      1,135       11.35       92.44
          2 |        360        3.60       96.04
          3 |        144        1.44       97.48
          4 |         82        0.82       98.30
          5 |         50        0.50       98.80
          6 |         29        0.29       99.09
          7 |         18        0.18       99.27
          8 |         20        0.20       99.47
          9 |          9        0.09       99.56
         10 |          7        0.07       99.63
         11 |          9        0.09       99.72
         12 |          7        0.07       99.79
         13 |          4        0.04       99.83
         14 |          5        0.05       99.88
         15 |          7        0.07       99.95
         16 |          2        0.02       99.97
         18 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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