Frequencies for first 10,000 rows of pct012b091 variable in sf12010860us21 dataset :

   88 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,259       82.59       82.59
          1 |        811        8.11       90.70
          2 |        345        3.45       94.15
          3 |        191        1.91       96.06
          4 |        115        1.15       97.21
          5 |         67        0.67       97.88
          6 |         42        0.42       98.30
          7 |         34        0.34       98.64
          8 |         32        0.32       98.96
          9 |         15        0.15       99.11
         10 |         18        0.18       99.29
         11 |         12        0.12       99.41
         12 |          5        0.05       99.46
         13 |          9        0.09       99.55
         14 |          8        0.08       99.63
         15 |          4        0.04       99.67
         16 |          3        0.03       99.70
         17 |          4        0.04       99.74
         18 |          3        0.03       99.77
         19 |          4        0.04       99.81
         20 |          2        0.02       99.83
         21 |          1        0.01       99.84
         22 |          3        0.03       99.87
         25 |          1        0.01       99.88
         26 |          2        0.02       99.90
         27 |          1        0.01       99.91
         28 |          2        0.02       99.93
         30 |          1        0.01       99.94
         32 |          1        0.01       99.95
         34 |          1        0.01       99.96
         36 |          1        0.01       99.97
         39 |          1        0.01       99.98
         42 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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