Frequencies for first 10,000 rows of pct012m171 variable in sf12010860us32 dataset :

   64 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,913       99.13       99.13
          1 |         83        0.83       99.96
          2 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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