Frequencies for first 10,000 rows of pct012e020 variable in sf12010860us24 dataset :

   17 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,704       97.04       97.04
          1 |        259        2.59       99.63
          2 |         33        0.33       99.96
          3 |          3        0.03       99.99
          5 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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