Frequencies for first 10,000 rows of pct012m194 variable in sf12010860us32 dataset :

   87 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,987       99.87       99.87
          1 |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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