Frequencies for first 10,000 rows of pct012j093 variable in sf12000860us25 dataset :

   90 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,908       89.08       89.08
          1 |        625        6.25       95.33
          2 |        208        2.08       97.41
          3 |        105        1.05       98.46
          4 |         49        0.49       98.95
          5 |         30        0.30       99.25
          6 |         18        0.18       99.43
          7 |         18        0.18       99.61
          8 |          8        0.08       99.69
          9 |         11        0.11       99.80
         10 |          9        0.09       99.89
         11 |          1        0.01       99.90
         12 |          2        0.02       99.92
         13 |          2        0.02       99.94
         14 |          1        0.01       99.95
         15 |          1        0.01       99.96
         16 |          1        0.01       99.97
         19 |          1        0.01       99.98
         20 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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