Frequencies for first 10,000 rows of pct012e061 variable in sf12010860us24 dataset :

   58 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,868       98.68       98.68
          1 |        123        1.23       99.91
          2 |          8        0.08       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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