Frequencies for first 10,000 rows of pct012o186 variable in sf12010860us34 dataset :

   79 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,987       89.87       89.87
          1 |        799        7.99       97.86
          2 |        143        1.43       99.29
          3 |         49        0.49       99.78
          4 |         12        0.12       99.90
          5 |          5        0.05       99.95
          6 |          2        0.02       99.97
          7 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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