Frequencies for first 10,000 rows of pct012o196 variable in sf12010860us34 dataset :

   89 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,533       95.33       95.33
          1 |        406        4.06       99.39
          2 |         51        0.51       99.90
          3 |          7        0.07       99.97
          4 |          1        0.01       99.98
          5 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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