Frequencies for first 10,000 rows of pct012g205 variable in sf12000860us22 dataset :

   98 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,941       99.41       99.41
          1 |         51        0.51       99.92
          2 |          7        0.07       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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