Frequencies for first 10,000 rows of pct012i096 variable in sf12000860us24 dataset :

   93 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,326       63.26       63.26
          1 |      1,590       15.90       79.16
          2 |        796        7.96       87.12
          3 |        435        4.35       91.47
          4 |        264        2.64       94.11
          5 |        180        1.80       95.91
          6 |        110        1.10       97.01
          7 |         90        0.90       97.91
          8 |         58        0.58       98.49
          9 |         46        0.46       98.95
         10 |         25        0.25       99.20
         11 |         17        0.17       99.37
         12 |         14        0.14       99.51
         13 |          9        0.09       99.60
         14 |         11        0.11       99.71
         15 |          6        0.06       99.77
         16 |          7        0.07       99.84
         17 |          3        0.03       99.87
         18 |          1        0.01       99.88
         19 |          1        0.01       99.89
         20 |          1        0.01       99.90
         21 |          1        0.01       99.91
         24 |          2        0.02       99.93
         26 |          1        0.01       99.94
         27 |          2        0.02       99.96
         31 |          1        0.01       99.97
         32 |          1        0.01       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