Frequencies for first 10,000 rows of pct012m006 variable in sf12010880us32 dataset :

    3 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,883       98.83       98.83
          1 |        106        1.06       99.89
          2 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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