Frequencies for first 10,000 rows of pct012k169 variable in sf12010860us30 dataset :

   62 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,942       89.42       89.42
          1 |        815        8.15       97.57
          2 |        148        1.48       99.05
          3 |         50        0.50       99.55
          4 |         18        0.18       99.73
          5 |          8        0.08       99.81
          6 |          1        0.01       99.82
          7 |          2        0.02       99.84
          8 |          4        0.04       99.88
          9 |          1        0.01       99.89
         10 |          1        0.01       99.90
         11 |          1        0.01       99.91
         17 |          1        0.01       99.92
         19 |          1        0.01       99.93
         29 |          1        0.01       99.94
         30 |          1        0.01       99.95
         33 |          1        0.01       99.96
         41 |          1        0.01       99.97
         49 |          1        0.01       99.98
         53 |          1        0.01       99.99
         59 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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