Frequencies for first 10,000 rows of pct012b096 variable in sf12010860us21 dataset :

   93 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,124       91.24       91.24
          1 |        567        5.67       96.91
          2 |        158        1.58       98.49
          3 |         65        0.65       99.14
          4 |         34        0.34       99.48
          5 |         17        0.17       99.65
          6 |          8        0.08       99.73
          7 |         15        0.15       99.88
          8 |          4        0.04       99.92
          9 |          3        0.03       99.95
         10 |          2        0.02       99.97
         11 |          1        0.01       99.98
         12 |          1        0.01       99.99
         13 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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