Frequencies for first 10,000 rows of pct012m013 variable in sf12010880us32 dataset :

   10 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,874       98.74       98.74
          1 |        114        1.14       99.88
          2 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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