Frequencies for first 10,000 rows of pct012e035 variable in sf12010860us24 dataset :

   32 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,654       96.54       96.54
          1 |        289        2.89       99.43
          2 |         45        0.45       99.88
          3 |          9        0.09       99.97
          4 |          2        0.02       99.99
          6 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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