Frequencies for first 10,000 rows of pct012n172 variable in sf12010860us33 dataset :

   65 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,640       96.40       96.40
          1 |        269        2.69       99.09
          2 |         49        0.49       99.58
          3 |         20        0.20       99.78
          4 |          9        0.09       99.87
          5 |          4        0.04       99.91
          6 |          1        0.01       99.92
          7 |          3        0.03       99.95
         10 |          1        0.01       99.96
         14 |          2        0.02       99.98
         16 |          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