Frequencies for first 10,000 rows of pct012j094 variable in sf12010860us29 dataset :

   91 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,848       88.48       88.48
          1 |        668        6.68       95.16
          2 |        221        2.21       97.37
          3 |        109        1.09       98.46
          4 |         42        0.42       98.88
          5 |         30        0.30       99.18
          6 |         27        0.27       99.45
          7 |         11        0.11       99.56
          8 |         13        0.13       99.69
          9 |          8        0.08       99.77
         10 |          5        0.05       99.82
         11 |          4        0.04       99.86
         12 |          3        0.03       99.89
         13 |          3        0.03       99.92
         14 |          1        0.01       99.93
         15 |          2        0.02       99.95
         16 |          1        0.01       99.96
         19 |          3        0.03       99.99
         25 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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