Frequencies for first 10,000 rows of pct012e130 variable in sf12010860us24 dataset :

   23 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,650       96.50       96.50
          1 |        277        2.77       99.27
          2 |         51        0.51       99.78
          3 |         18        0.18       99.96
          4 |          1        0.01       99.97
          5 |          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