Frequencies for first 10,000 rows of pct012m182 variable in sf12010880us32 dataset :

   75 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,974       99.74       99.74
          1 |         26        0.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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