Frequencies for first 10,000 rows of pct012o085 variable in sf12000860us30 dataset :

   82 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,454       94.54       94.54
          1 |        444        4.44       98.98
          2 |         82        0.82       99.80
          3 |         13        0.13       99.93
          4 |          4        0.04       99.97
          5 |          2        0.02       99.99
          6 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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