Frequencies for first 10,000 rows of pct012b094 variable in sf12010860us21 dataset :

   91 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,773       87.73       87.73
          1 |        696        6.96       94.69
          2 |        242        2.42       97.11
          3 |        118        1.18       98.29
          4 |         51        0.51       98.80
          5 |         30        0.30       99.10
          6 |         31        0.31       99.41
          7 |         11        0.11       99.52
          8 |         14        0.14       99.66
          9 |         10        0.10       99.76
         10 |          4        0.04       99.80
         11 |          5        0.05       99.85
         12 |          3        0.03       99.88
         13 |          2        0.02       99.90
         14 |          2        0.02       99.92
         15 |          3        0.03       99.95
         16 |          1        0.01       99.96
         19 |          3        0.03       99.99
         25 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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