Frequencies for first 10,000 rows of pct012g067 variable in sf12000860us22 dataset :

   64 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,319       83.19       83.19
          1 |        998        9.98       93.17
          2 |        316        3.16       96.33
          3 |        130        1.30       97.63
          4 |         65        0.65       98.28
          5 |         39        0.39       98.67
          6 |         28        0.28       98.95
          7 |         21        0.21       99.16
          8 |         16        0.16       99.32
          9 |         15        0.15       99.47
         10 |         12        0.12       99.59
         11 |          6        0.06       99.65
         12 |         10        0.10       99.75
         13 |          6        0.06       99.81
         14 |          2        0.02       99.83
         15 |          5        0.05       99.88
         16 |          4        0.04       99.92
         18 |          3        0.03       99.95
         19 |          3        0.03       99.98
         20 |          1        0.01       99.99
         28 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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