Frequencies for first 10,000 rows of pct012e131 variable in sf12000860us20 dataset :

   24 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,686       96.86       96.86
          1 |        267        2.67       99.53
          2 |         35        0.35       99.88
          3 |         10        0.10       99.98
          4 |          1        0.01       99.99
          5 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017