Frequencies for first 10,000 rows of pct012k171 variable in sf12000860us26 dataset :

   64 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,457       94.57       94.57
          1 |        446        4.46       99.03
          2 |         64        0.64       99.67
          3 |         10        0.10       99.77
          4 |          3        0.03       99.80
          5 |          3        0.03       99.83
          6 |          3        0.03       99.86
          7 |          1        0.01       99.87
          8 |          2        0.02       99.89
          9 |          1        0.01       99.90
         10 |          2        0.02       99.92
         11 |          1        0.01       99.93
         17 |          2        0.02       99.95
         19 |          1        0.01       99.96
         20 |          1        0.01       99.97
         25 |          1        0.01       99.98
         35 |          1        0.01       99.99
         45 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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