Frequencies for first 10,000 rows of pct012k089 variable in sf12000860us26 dataset :

   86 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,941       99.41       99.41
          1 |         53        0.53       99.94
          2 |          1        0.01       99.95
          3 |          3        0.03       99.98
          5 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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