Frequencies for first 10,000 rows of pct012e029 variable in sf12000860us20 dataset :

   26 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,645       96.45       96.45
          1 |        299        2.99       99.44
          2 |         45        0.45       99.89
          3 |          8        0.08       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 , 18 Apr 2017