Frequencies for first 10,000 rows of pct012l202 variable in sf12010860us31 dataset :

   95 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,748       97.48       97.48
          1 |        212        2.12       99.60
          2 |         19        0.19       99.79
          3 |         10        0.10       99.89
          4 |          4        0.04       99.93
          5 |          1        0.01       99.94
          7 |          1        0.01       99.95
          8 |          1        0.01       99.96
          9 |          1        0.01       99.97
         16 |          1        0.01       99.98
         17 |          1        0.01       99.99
         19 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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