Frequencies for first 10,000 rows of pct012g185 variable in sf12000860us22 dataset :

   78 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,721       87.21       87.21
          1 |        846        8.46       95.67
          2 |        202        2.02       97.69
          3 |         95        0.95       98.64
          4 |         44        0.44       99.08
          5 |         33        0.33       99.41
          6 |         16        0.16       99.57
          7 |         16        0.16       99.73
          8 |          8        0.08       99.81
          9 |          7        0.07       99.88
         10 |          5        0.05       99.93
         11 |          1        0.01       99.94
         12 |          2        0.02       99.96
         13 |          1        0.01       99.97
         14 |          1        0.01       99.98
         15 |          1        0.01       99.99
         17 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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