Frequencies for first 10,000 rows of pct012c049 variable in sf12000860us18 dataset :

   46 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,588       85.88       85.88
          1 |        989        9.89       95.77
          2 |        260        2.60       98.37
          3 |         85        0.85       99.22
          4 |         30        0.30       99.52
          5 |         21        0.21       99.73
          6 |          7        0.07       99.80
          7 |          3        0.03       99.83
          8 |          4        0.04       99.87
         10 |          1        0.01       99.88
         12 |          1        0.01       99.89
         16 |          2        0.02       99.91
         17 |          1        0.01       99.92
         25 |          1        0.01       99.93
         26 |          1        0.01       99.94
         30 |          1        0.01       99.95
         34 |          1        0.01       99.96
         37 |          1        0.01       99.97
         46 |          1        0.01       99.98
         48 |          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