Frequencies for first 10,000 rows of PCT012A096 variable in sf12000860us16 dataset :

   93 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,191       61.91       61.91
          1 |      1,608       16.08       77.99
          2 |        812        8.12       86.11
          3 |        451        4.51       90.62
          4 |        280        2.80       93.42
          5 |        192        1.92       95.34
          6 |        128        1.28       96.62
          7 |         95        0.95       97.57
          8 |         72        0.72       98.29
          9 |         49        0.49       98.78
         10 |         25        0.25       99.03
         11 |         23        0.23       99.26
         12 |         18        0.18       99.44
         13 |         11        0.11       99.55
         14 |         12        0.12       99.67
         15 |          7        0.07       99.74
         16 |          9        0.09       99.83
         17 |          2        0.02       99.85
         18 |          2        0.02       99.87
         19 |          1        0.01       99.88
         20 |          1        0.01       99.89
         21 |          2        0.02       99.91
         24 |          1        0.01       99.92
         25 |          1        0.01       99.93
         26 |          1        0.01       99.94
         28 |          2        0.02       99.96
         31 |          1        0.01       99.97
         32 |          1        0.01       99.98
         34 |          1        0.01       99.99
         36 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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