Frequencies for first 10,000 rows of pct012m017 variable in sf12010860us32 dataset :

   14 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,808       98.08       98.08
          1 |        169        1.69       99.77
          2 |         20        0.20       99.97
          3 |          2        0.02       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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