Frequencies for first 10,000 rows of pct012k046 variable in sf12000860us26 dataset :

   43 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,708       87.08       87.08
          1 |        965        9.65       96.73
          2 |        206        2.06       98.79
          3 |         60        0.60       99.39
          4 |         25        0.25       99.64
          5 |          7        0.07       99.71
          6 |          6        0.06       99.77
          7 |          5        0.05       99.82
          8 |          3        0.03       99.85
          9 |          1        0.01       99.86
         10 |          1        0.01       99.87
         11 |          1        0.01       99.88
         14 |          1        0.01       99.89
         18 |          1        0.01       99.90
         22 |          1        0.01       99.91
         25 |          1        0.01       99.92
         26 |          1        0.01       99.93
         29 |          1        0.01       99.94
         34 |          1        0.01       99.95
         42 |          2        0.02       99.97
         50 |          1        0.01       99.98
         54 |          1        0.01       99.99
         67 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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