Frequencies for first 10,000 rows of pct012m142 variable in sf12010860us32 dataset :

   35 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,764       97.64       97.64
          1 |        206        2.06       99.70
          2 |         24        0.24       99.94
          3 |          5        0.05       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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