Frequencies for first 10,000 rows of pct012l098 variable in sf12000860us27 dataset :

   95 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,936       99.36       99.36
          1 |         57        0.57       99.93
          2 |          5        0.05       99.98
          4 |          1        0.01       99.99
          5 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017