Frequencies for first 10,000 rows of pct012f192 variable in sf12010860us25 dataset :

   85 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,337       93.37       93.37
          1 |        367        3.67       97.04
          2 |        102        1.02       98.06
          3 |         63        0.63       98.69
          4 |         41        0.41       99.10
          5 |         17        0.17       99.27
          6 |         19        0.19       99.46
          7 |         13        0.13       99.59
          8 |          9        0.09       99.68
          9 |          7        0.07       99.75
         10 |          2        0.02       99.77
         11 |          5        0.05       99.82
         12 |          2        0.02       99.84
         13 |          2        0.02       99.86
         14 |          2        0.02       99.88
         15 |          2        0.02       99.90
         16 |          1        0.01       99.91
         17 |          2        0.02       99.93
         18 |          2        0.02       99.95
         19 |          1        0.01       99.96
         21 |          1        0.01       99.97
         22 |          1        0.01       99.98
         26 |          1        0.01       99.99
         33 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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