Frequencies for first 10,000 rows of pct012l206 variable in sf12010860us31 dataset :

   99 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,910       99.10       99.10
          1 |         75        0.75       99.85
          2 |          8        0.08       99.93
          3 |          4        0.04       99.97
          4 |          1        0.01       99.98
          5 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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