Frequencies for first 10,000 rows of pct012c079 variable in sf12000860us18 dataset :

   76 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,718       97.18       97.18
          1 |        246        2.46       99.64
          2 |         21        0.21       99.85
          3 |          7        0.07       99.92
          4 |          2        0.02       99.94
          5 |          2        0.02       99.96
          6 |          1        0.01       99.97
          7 |          1        0.01       99.98
         10 |          1        0.01       99.99
         16 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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