Frequencies for first 10,000 rows of pct012g197 variable in sf12000860us22 dataset :

   90 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,570       95.70       95.70
          1 |        345        3.45       99.15
          2 |         51        0.51       99.66
          3 |         24        0.24       99.90
          4 |          8        0.08       99.98
          5 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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