Frequencies for first 10,000 rows of pct012g198 variable in sf12010860us26 dataset :

   91 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,591       95.91       95.91
          1 |        359        3.59       99.50
          2 |         37        0.37       99.87
          3 |          5        0.05       99.92
          4 |          5        0.05       99.97
          5 |          2        0.02       99.99
          7 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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