Frequencies for first 10,000 rows of pct012c079 variable in sf12010860us22 dataset :

   76 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,606       96.06       96.06
          1 |        326        3.26       99.32
          2 |         45        0.45       99.77
          3 |         10        0.10       99.87
          4 |          3        0.03       99.90
          5 |          2        0.02       99.92
          9 |          5        0.05       99.97
         10 |          1        0.01       99.98
         11 |          1        0.01       99.99
         18 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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