Frequencies for first 10,000 rows of pct012g089 variable in sf12010860us26 dataset :

   86 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,499       94.99       94.99
          1 |        412        4.12       99.11
          2 |         60        0.60       99.71
          3 |         20        0.20       99.91
          4 |          7        0.07       99.98
          5 |          1        0.01       99.99
          7 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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