Frequencies for first 10,000 rows of pct012f193 variable in sf12000860us21 dataset :

   86 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,577       95.77       95.77
          1 |        258        2.58       98.35
          2 |         73        0.73       99.08
          3 |         29        0.29       99.37
          4 |         18        0.18       99.55
          5 |         11        0.11       99.66
          6 |         10        0.10       99.76
          7 |          7        0.07       99.83
          8 |          6        0.06       99.89
          9 |          2        0.02       99.91
         10 |          2        0.02       99.93
         11 |          2        0.02       99.95
         12 |          2        0.02       99.97
         15 |          1        0.01       99.98
         16 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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