Frequencies for first 10,000 rows of pct012e043 variable in sf12010860us24 dataset :

   40 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,683       96.83       96.83
          1 |        273        2.73       99.56
          2 |         36        0.36       99.92
          3 |          6        0.06       99.98
          5 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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