Frequencies for first 10,000 rows of pct012j095 variable in sf12000860us25 dataset :

   92 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,206       92.06       92.06
          1 |        517        5.17       97.23
          2 |        137        1.37       98.60
          3 |         55        0.55       99.15
          4 |         34        0.34       99.49
          5 |         17        0.17       99.66
          6 |         12        0.12       99.78
          7 |          4        0.04       99.82
          8 |          8        0.08       99.90
          9 |          4        0.04       99.94
         10 |          1        0.01       99.95
         11 |          1        0.01       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