Frequencies for first 10,000 rows of pct012m016 variable in sf12010880us32 dataset :

   13 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,872       98.72       98.72
          1 |        123        1.23       99.95
          2 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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