Frequencies for first 10,000 rows of pct012m060 variable in sf12010860us32 dataset :

   57 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,843       98.43       98.43
          1 |        150        1.50       99.93
          2 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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