Frequencies for first 10,000 rows of pct012c083 variable in sf12010860us22 dataset :

   80 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,713       97.13       97.13
          1 |        252        2.52       99.65
          2 |         25        0.25       99.90
          3 |          3        0.03       99.93
          4 |          2        0.02       99.95
          5 |          1        0.01       99.96
          7 |          1        0.01       99.97
          8 |          2        0.02       99.99
         16 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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