Frequencies for first 10,000 rows of pct012l083 variable in sf12010860us31 dataset :

   80 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,693       86.93       86.93
          1 |        684        6.84       93.77
          2 |        245        2.45       96.22
          3 |        123        1.23       97.45
          4 |         68        0.68       98.13
          5 |         49        0.49       98.62
          6 |         29        0.29       98.91
          7 |         26        0.26       99.17
          8 |         15        0.15       99.32
          9 |         12        0.12       99.44
         10 |          8        0.08       99.52
         11 |          6        0.06       99.58
         12 |          2        0.02       99.60
         13 |          6        0.06       99.66
         14 |          2        0.02       99.68
         15 |          7        0.07       99.75
         16 |          1        0.01       99.76
         17 |          2        0.02       99.78
         19 |          3        0.03       99.81
         20 |          2        0.02       99.83
         21 |          2        0.02       99.85
         23 |          1        0.01       99.86
         24 |          1        0.01       99.87
         25 |          2        0.02       99.89
         26 |          2        0.02       99.91
         27 |          1        0.01       99.92
         28 |          1        0.01       99.93
         32 |          1        0.01       99.94
         35 |          1        0.01       99.95
         41 |          1        0.01       99.96
         44 |          1        0.01       99.97
         46 |          1        0.01       99.98
         96 |          1        0.01       99.99
        111 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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