Frequencies for first 10,000 rows of pct012101 variable in sf12000860us14 dataset :

   98 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,534       85.34       85.34
          1 |      1,010       10.10       95.44
          2 |        295        2.95       98.39
          3 |         96        0.96       99.35
          4 |         32        0.32       99.67
          5 |         16        0.16       99.83
          6 |          8        0.08       99.91
          7 |          3        0.03       99.94
          8 |          3        0.03       99.97
          9 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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