Frequencies for first 10,000 rows of pct012206 variable in sf12000860us14 dataset :

   99 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,982       69.82       69.82
          1 |      1,392       13.92       83.74
          2 |        653        6.53       90.27
          3 |        364        3.64       93.91
          4 |        218        2.18       96.09
          5 |        140        1.40       97.49
          6 |         83        0.83       98.32
          7 |         46        0.46       98.78
          8 |         33        0.33       99.11
          9 |         29        0.29       99.40
         10 |         23        0.23       99.63
         11 |         12        0.12       99.75
         12 |          9        0.09       99.84
         13 |          1        0.01       99.85
         14 |          3        0.03       99.88
         15 |          4        0.04       99.92
         16 |          1        0.01       99.93
         17 |          2        0.02       99.95
         18 |          1        0.01       99.96
         21 |          1        0.01       99.97
         23 |          1        0.01       99.98
         24 |          1        0.01       99.99
         32 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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