Frequencies for first 10,000 rows of pct012o088 variable in sf12010860us34 dataset :

   85 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,532       95.32       95.32
          1 |        423        4.23       99.55
          2 |         38        0.38       99.93
          3 |          3        0.03       99.96
          4 |          2        0.02       99.98
          5 |          1        0.01       99.99
          7 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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