Frequencies for first 10,000 rows of pct012e027 variable in sf12010860us24 dataset :

   24 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,587       95.87       95.87
          1 |        332        3.32       99.19
          2 |         60        0.60       99.79
          3 |         12        0.12       99.91
          4 |          6        0.06       99.97
          5 |          1        0.01       99.98
          8 |          1        0.01       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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