Frequencies for first 10,000 rows of pct012103 variable in sf12000860us14 dataset :

 100 to 104 |
      years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,212       82.12       82.12
          1 |      1,148       11.48       93.60
          2 |        371        3.71       97.31
          3 |        128        1.28       98.59
          4 |         73        0.73       99.32
          5 |         29        0.29       99.61
          6 |         15        0.15       99.76
          7 |         12        0.12       99.88
          8 |          4        0.04       99.92
          9 |          2        0.02       99.94
         10 |          2        0.02       99.96
         11 |          3        0.03       99.99
         13 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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