Frequencies for first 10,000 rows of pct0120104 variable in sf12010860us17 dataset :

 105 to 109 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,771       97.71       97.71
          1 |        204        2.04       99.75
          2 |         23        0.23       99.98
          3 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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