Frequencies for first 10,000 rows of pct012e029 variable in sf12010860us24 dataset :

   26 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,627       96.27       96.27
          1 |        290        2.90       99.17
          2 |         63        0.63       99.80
          3 |         10        0.10       99.90
          4 |          6        0.06       99.96
          5 |          3        0.03       99.99
          6 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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