Frequencies for first 10,000 rows of pct012e017 variable in sf12000860us20 dataset :

   14 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,733       97.33       97.33
          1 |        240        2.40       99.73
          2 |         23        0.23       99.96
          3 |          2        0.02       99.98
          5 |          1        0.01       99.99
          6 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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