Frequencies for first 10,000 rows of PCT012B094 variable in sf12000860us17 dataset :

   91 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,065       90.65       90.65
          1 |        572        5.72       96.37
          2 |        179        1.79       98.16
          3 |         74        0.74       98.90
          4 |         34        0.34       99.24
          5 |         24        0.24       99.48
          6 |         16        0.16       99.64
          7 |         10        0.10       99.74
          8 |          8        0.08       99.82
          9 |          9        0.09       99.91
         10 |          3        0.03       99.94
         11 |          2        0.02       99.96
         12 |          2        0.02       99.98
         13 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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