Frequencies for first 10,000 rows of pct012g198 variable in sf12000860us22 dataset :

   91 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,614       96.14       96.14
          1 |        315        3.15       99.29
          2 |         53        0.53       99.82
          3 |          9        0.09       99.91
          4 |          6        0.06       99.97
          5 |          1        0.01       99.98
          6 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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