Frequencies for first 10,000 rows of pct012c068 variable in sf12010860us22 dataset :

   65 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,060       90.60       90.60
          1 |        724        7.24       97.84
          2 |        128        1.28       99.12
          3 |         41        0.41       99.53
          4 |         17        0.17       99.70
          5 |          9        0.09       99.79
          6 |          8        0.08       99.87
          7 |          3        0.03       99.90
          8 |          2        0.02       99.92
         12 |          1        0.01       99.93
         17 |          1        0.01       99.94
         21 |          1        0.01       99.95
         22 |          1        0.01       99.96
         23 |          1        0.01       99.97
         36 |          1        0.01       99.98
         42 |          1        0.01       99.99
         51 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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