Frequencies for first 10,000 rows of pct012h094 variable in sf12000860us23 dataset :

   91 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,579       95.79       95.79
          1 |        249        2.49       98.28
          2 |         41        0.41       98.69
          3 |         20        0.20       98.89
          4 |         15        0.15       99.04
          5 |         15        0.15       99.19
          6 |         12        0.12       99.31
          7 |          6        0.06       99.37
          8 |          7        0.07       99.44
          9 |         10        0.10       99.54
         10 |          6        0.06       99.60
         11 |          6        0.06       99.66
         12 |          8        0.08       99.74
         13 |          4        0.04       99.78
         14 |          7        0.07       99.85
         15 |          2        0.02       99.87
         16 |          1        0.01       99.88
         17 |          3        0.03       99.91
         19 |          2        0.02       99.93
         20 |          1        0.01       99.94
         21 |          1        0.01       99.95
         22 |          1        0.01       99.96
         23 |          1        0.01       99.97
         27 |          1        0.01       99.98
         28 |          1        0.01       99.99
         39 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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