Frequencies for first 10,000 rows of pct012l089 variable in sf12010860us31 dataset :

   86 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,249       92.49       92.49
          1 |        465        4.65       97.14
          2 |        142        1.42       98.56
          3 |         63        0.63       99.19
          4 |         28        0.28       99.47
          5 |         11        0.11       99.58
          6 |         12        0.12       99.70
          7 |          7        0.07       99.77
          8 |          2        0.02       99.79
          9 |          4        0.04       99.83
         10 |          2        0.02       99.85
         11 |          3        0.03       99.88
         12 |          1        0.01       99.89
         13 |          1        0.01       99.90
         14 |          2        0.02       99.92
         16 |          1        0.01       99.93
         17 |          2        0.02       99.95
         19 |          1        0.01       99.96
         20 |          1        0.01       99.97
         22 |          1        0.01       99.98
         49 |          1        0.01       99.99
         63 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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