Frequencies for first 10,000 rows of pct012g104 variable in sf12000860us22 dataset :

 105 to 109 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,991       99.91       99.91
          1 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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