Frequencies for first 10,000 rows of pct012m068 variable in sf12010880us32 dataset :

   65 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,954       99.54       99.54
          1 |         43        0.43       99.97
          2 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017