Frequencies for first 10,000 rows of pct012h094 variable in sf12010880us27 dataset :

   91 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,433       94.33       94.33
          1 |        311        3.11       97.44
          2 |         83        0.83       98.27
          3 |         27        0.27       98.54
          4 |         20        0.20       98.74
          5 |         21        0.21       98.95
          6 |         13        0.13       99.08
          7 |          9        0.09       99.17
          8 |          8        0.08       99.25
          9 |         10        0.10       99.35
         10 |          5        0.05       99.40
         11 |          8        0.08       99.48
         12 |          9        0.09       99.57
         13 |          3        0.03       99.60
         14 |         10        0.10       99.70
         15 |          3        0.03       99.73
         16 |          3        0.03       99.76
         17 |          1        0.01       99.77
         18 |          3        0.03       99.80
         19 |          3        0.03       99.83
         20 |          3        0.03       99.86
         21 |          1        0.01       99.87
         22 |          2        0.02       99.89
         23 |          1        0.01       99.90
         24 |          1        0.01       99.91
         25 |          2        0.02       99.93
         26 |          1        0.01       99.94
         28 |          3        0.03       99.97
         32 |          1        0.01       99.98
         33 |          1        0.01       99.99
         40 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017