Frequencies for first 10,000 rows of PCT012A098 variable in sf12000860us16 dataset :

   95 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,299       72.99       72.99
          1 |      1,445       14.45       87.44
          2 |        581        5.81       93.25
          3 |        287        2.87       96.12
          4 |        150        1.50       97.62
          5 |         93        0.93       98.55
          6 |         45        0.45       99.00
          7 |         33        0.33       99.33
          8 |         20        0.20       99.53
          9 |         13        0.13       99.66
         10 |         13        0.13       99.79
         11 |         10        0.10       99.89
         12 |          2        0.02       99.91
         14 |          2        0.02       99.93
         15 |          2        0.02       99.95
         16 |          1        0.01       99.96
         17 |          1        0.01       99.97
         18 |          1        0.01       99.98
         24 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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