Frequencies for first 10,000 rows of pct012e136 variable in sf12010860us24 dataset :

   29 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,655       96.55       96.55
          1 |        284        2.84       99.39
          2 |         46        0.46       99.85
          3 |         10        0.10       99.95
          4 |          2        0.02       99.97
          5 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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