Frequencies for first 10,000 rows of pct012g081 variable in sf12010860us26 dataset :

   78 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,002       90.02       90.02
          1 |        745        7.45       97.47
          2 |        145        1.45       98.92
          3 |         50        0.50       99.42
          4 |         29        0.29       99.71
          5 |         13        0.13       99.84
          6 |          7        0.07       99.91
          7 |          6        0.06       99.97
          8 |          2        0.02       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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