Frequencies for first 10,000 rows of pct012j092 variable in sf12010860us29 dataset :

   89 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,468       84.68       84.68
          1 |        789        7.89       92.57
          2 |        332        3.32       95.89
          3 |        126        1.26       97.15
          4 |         78        0.78       97.93
          5 |         49        0.49       98.42
          6 |         37        0.37       98.79
          7 |         24        0.24       99.03
          8 |         16        0.16       99.19
          9 |         22        0.22       99.41
         10 |         10        0.10       99.51
         11 |          8        0.08       99.59
         12 |          6        0.06       99.65
         13 |         11        0.11       99.76
         14 |          3        0.03       99.79
         15 |          1        0.01       99.80
         16 |          4        0.04       99.84
         17 |          1        0.01       99.85
         18 |          3        0.03       99.88
         19 |          1        0.01       99.89
         20 |          4        0.04       99.93
         21 |          3        0.03       99.96
         25 |          2        0.02       99.98
         34 |          1        0.01       99.99
         35 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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