Frequencies for first 10,000 rows of pct012e126 variable in sf12010860us24 dataset :

   19 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,657       96.57       96.57
          1 |        283        2.83       99.40
          2 |         45        0.45       99.85
          3 |          7        0.07       99.92
          4 |          4        0.04       99.96
          5 |          1        0.01       99.97
          6 |          1        0.01       99.98
          7 |          1        0.01       99.99
         10 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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