Frequencies for first 10,000 rows of pct012c172 variable in sf12010860us22 dataset :

   65 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,037       90.37       90.37
          1 |        745        7.45       97.82
          2 |        138        1.38       99.20
          3 |         35        0.35       99.55
          4 |         13        0.13       99.68
          5 |         11        0.11       99.79
          6 |          4        0.04       99.83
          7 |          3        0.03       99.86
          8 |          3        0.03       99.89
          9 |          1        0.01       99.90
         10 |          1        0.01       99.91
         14 |          2        0.02       99.93
         17 |          1        0.01       99.94
         20 |          1        0.01       99.95
         26 |          1        0.01       99.96
         28 |          1        0.01       99.97
         39 |          1        0.01       99.98
         44 |          1        0.01       99.99
         46 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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