Frequencies for first 10,000 rows of pct012g087 variable in sf12010860us26 dataset :

   84 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,396       93.96       93.96
          1 |        501        5.01       98.97
          2 |         65        0.65       99.62
          3 |         26        0.26       99.88
          4 |          8        0.08       99.96
          5 |          3        0.03       99.99
          8 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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