Frequencies for first 10,000 rows of pct012m166 variable in sf12010880us32 dataset :

   59 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,907       99.07       99.07
          1 |         85        0.85       99.92
          2 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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