Frequencies for first 10,000 rows of pct012n088 variable in sf12010860us33 dataset :

   85 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,927       99.27       99.27
          1 |         62        0.62       99.89
          2 |          7        0.07       99.96
          3 |          2        0.02       99.98
          4 |          1        0.01       99.99
          5 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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