Frequencies for first 10,000 rows of pct012g086 variable in sf12010860us26 dataset :

   83 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,318       93.18       93.18
          1 |        544        5.44       98.62
          2 |         96        0.96       99.58
          3 |         27        0.27       99.85
          4 |          8        0.08       99.93
          5 |          4        0.04       99.97
          6 |          1        0.01       99.98
          7 |          1        0.01       99.99
          8 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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