Frequencies for first 10,000 rows of pct012j099 variable in sf12000860us25 dataset :

   96 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,623       96.23       96.23
          1 |        297        2.97       99.20
          2 |         59        0.59       99.79
          3 |         16        0.16       99.95
          4 |          3        0.03       99.98
          5 |          1        0.01       99.99
          6 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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