Frequencies for first 10,000 rows of pct012d088 variable in sf12010880us23 dataset :

   85 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,253       92.53       92.53
          1 |        460        4.60       97.13
          2 |        136        1.36       98.49
          3 |         51        0.51       99.00
          4 |         32        0.32       99.32
          5 |         16        0.16       99.48
          6 |         12        0.12       99.60
          7 |          7        0.07       99.67
          8 |          8        0.08       99.75
          9 |          8        0.08       99.83
         10 |          1        0.01       99.84
         11 |          2        0.02       99.86
         12 |          4        0.04       99.90
         13 |          2        0.02       99.92
         14 |          1        0.01       99.93
         17 |          1        0.01       99.94
         19 |          2        0.02       99.96
         21 |          1        0.01       99.97
         24 |          1        0.01       99.98
         49 |          1        0.01       99.99
         58 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017