Frequencies for first 10,000 rows of pct012c104 variable in sf12000860us18 dataset :

 105 to 109 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,997       99.97       99.97
          1 |          2        0.02       99.99
          4 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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