Frequencies for first 10,000 rows of pct012k088 variable in sf12000860us26 dataset :

   85 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,926       99.26       99.26
          1 |         64        0.64       99.90
          2 |          6        0.06       99.96
          3 |          3        0.03       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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