Frequencies for first 10,000 rows of pct012i206 variable in sf12010860us28 dataset :

   99 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,094       70.94       70.94
          1 |      1,367       13.67       84.61
          2 |        578        5.78       90.39
          3 |        328        3.28       93.67
          4 |        231        2.31       95.98
          5 |        126        1.26       97.24
          6 |         91        0.91       98.15
          7 |         52        0.52       98.67
          8 |         46        0.46       99.13
          9 |         28        0.28       99.41
         10 |         21        0.21       99.62
         11 |         10        0.10       99.72
         12 |          9        0.09       99.81
         13 |          6        0.06       99.87
         14 |          4        0.04       99.91
         15 |          2        0.02       99.93
         16 |          1        0.01       99.94
         17 |          2        0.02       99.96
         18 |          2        0.02       99.98
         20 |          1        0.01       99.99
         23 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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