Frequencies for first 10,000 rows of pct012n192 variable in sf12000860us29 dataset :

   85 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,908       99.08       99.08
          1 |         73        0.73       99.81
          2 |          8        0.08       99.89
          3 |          4        0.04       99.93
          4 |          5        0.05       99.98
          6 |          1        0.01       99.99
          7 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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