Frequencies for first 10,000 rows of pct012e032 variable in sf12010880us24 dataset :

   29 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,692       96.92       96.92
          1 |        252        2.52       99.44
          2 |         42        0.42       99.86
          3 |         11        0.11       99.97
          4 |          2        0.02       99.99
          5 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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