Frequencies for first 10,000 rows of pct012o084 variable in sf12010860us34 dataset :

   81 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,335       93.35       93.35
          1 |        582        5.82       99.17
          2 |         63        0.63       99.80
          3 |         16        0.16       99.96
          4 |          3        0.03       99.99
          5 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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