Frequencies for first 10,000 rows of pct012o172 variable in sf12000860us30 dataset :

   65 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,507       85.07       85.07
          1 |        959        9.59       94.66
          2 |        273        2.73       97.39
          3 |        114        1.14       98.53
          4 |         55        0.55       99.08
          5 |         26        0.26       99.34
          6 |         15        0.15       99.49
          7 |         16        0.16       99.65
          8 |         12        0.12       99.77
          9 |          2        0.02       99.79
         10 |          5        0.05       99.84
         11 |          3        0.03       99.87
         12 |          5        0.05       99.92
         13 |          2        0.02       99.94
         14 |          2        0.02       99.96
         15 |          1        0.01       99.97
         16 |          1        0.01       99.98
         19 |          1        0.01       99.99
         20 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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