Frequencies for first 10,000 rows of pct012g181 variable in sf12010860us26 dataset :

   74 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,437       84.37       84.37
          1 |        991        9.91       94.28
          2 |        281        2.81       97.09
          3 |        136        1.36       98.45
          4 |         55        0.55       99.00
          5 |         35        0.35       99.35
          6 |         15        0.15       99.50
          7 |         15        0.15       99.65
          8 |         10        0.10       99.75
          9 |          9        0.09       99.84
         10 |          5        0.05       99.89
         11 |          4        0.04       99.93
         12 |          1        0.01       99.94
         13 |          1        0.01       99.95
         14 |          2        0.02       99.97
         15 |          1        0.01       99.98
         17 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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