Frequencies for first 10,000 rows of pct012i102 variable in sf12010860us28 dataset :

   99 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,931       89.31       89.31
          1 |        796        7.96       97.27
          2 |        193        1.93       99.20
          3 |         44        0.44       99.64
          4 |         19        0.19       99.83
          5 |         13        0.13       99.96
          6 |          2        0.02       99.98
          7 |          1        0.01       99.99
          8 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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