Frequencies for first 10,000 rows of pct012k192 variable in sf12000860us26 dataset :

   85 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,849       98.49       98.49
          1 |        133        1.33       99.82
          2 |          8        0.08       99.90
          3 |          4        0.04       99.94
          4 |          1        0.01       99.95
          5 |          2        0.02       99.97
          6 |          2        0.02       99.99
         14 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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