Frequencies for first 10,000 rows of pct012l088 variable in sf12010860us31 dataset :

   85 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,169       91.69       91.69
          1 |        515        5.15       96.84
          2 |        153        1.53       98.37
          3 |         55        0.55       98.92
          4 |         39        0.39       99.31
          5 |         17        0.17       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
         48 |          1        0.01       99.99
         57 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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