Frequencies for first 10,000 rows of pct012g096 variable in sf12000860us22 dataset :

   93 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,893       98.93       98.93
          1 |         95        0.95       99.88
          2 |         10        0.10       99.98
          3 |          1        0.01       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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