Frequencies for first 10,000 rows of pct012g091 variable in sf12010860us26 dataset :

   88 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,598       95.98       95.98
          1 |        340        3.40       99.38
          2 |         54        0.54       99.92
          3 |          5        0.05       99.97
          4 |          2        0.02       99.99
          5 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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