Frequencies for first 10,000 rows of pct012c207 variable in sf12000860us18 dataset :

 100 to 104 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,983       99.83       99.83
          1 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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