Frequencies for first 10,000 rows of pct012h096 variable in sf12010860us27 dataset :

   93 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,581       95.81       95.81
          1 |        232        2.32       98.13
          2 |         54        0.54       98.67
          3 |         21        0.21       98.88
          4 |         17        0.17       99.05
          5 |         15        0.15       99.20
          6 |         12        0.12       99.32
          7 |         17        0.17       99.49
          8 |         10        0.10       99.59
          9 |          9        0.09       99.68
         10 |          4        0.04       99.72
         11 |          7        0.07       99.79
         12 |          6        0.06       99.85
         13 |          2        0.02       99.87
         14 |          2        0.02       99.89
         15 |          1        0.01       99.90
         16 |          2        0.02       99.92
         17 |          1        0.01       99.93
         18 |          1        0.01       99.94
         19 |          2        0.02       99.96
         20 |          1        0.01       99.97
         21 |          1        0.01       99.98
         23 |          1        0.01       99.99
         28 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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