Frequencies for first 10,000 rows of pct012e054 variable in sf12010860us24 dataset :

   51 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,776       97.76       97.76
          1 |        205        2.05       99.81
          2 |         14        0.14       99.95
          3 |          3        0.03       99.98
          4 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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