Frequencies for first 10,000 rows of pct012m170 variable in sf12010860us32 dataset :

   63 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,895       98.95       98.95
          1 |        102        1.02       99.97
          2 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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