Frequencies for first 10,000 rows of pct012k041 variable in sf12000860us26 dataset :

   38 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,695       86.95       86.95
          1 |        956        9.56       96.51
          2 |        204        2.04       98.55
          3 |         69        0.69       99.24
          4 |         30        0.30       99.54
          5 |         12        0.12       99.66
          6 |         11        0.11       99.77
          7 |          4        0.04       99.81
          8 |          2        0.02       99.83
          9 |          3        0.03       99.86
         10 |          2        0.02       99.88
         11 |          1        0.01       99.89
         15 |          1        0.01       99.90
         17 |          1        0.01       99.91
         24 |          1        0.01       99.92
         26 |          1        0.01       99.93
         27 |          2        0.02       99.95
         40 |          1        0.01       99.96
         41 |          1        0.01       99.97
         66 |          1        0.01       99.98
         68 |          1        0.01       99.99
         76 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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