Frequencies for first 10,000 rows of pct012k017 variable in sf12000860us26 dataset :

   14 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,823       88.23       88.23
          1 |        896        8.96       97.19
          2 |        153        1.53       98.72
          3 |         52        0.52       99.24
          4 |         28        0.28       99.52
          5 |         12        0.12       99.64
          6 |          5        0.05       99.69
          7 |          2        0.02       99.71
          8 |          4        0.04       99.75
          9 |          4        0.04       99.79
         10 |          4        0.04       99.83
         11 |          2        0.02       99.85
         12 |          1        0.01       99.86
         13 |          1        0.01       99.87
         14 |          2        0.02       99.89
         16 |          1        0.01       99.90
         23 |          1        0.01       99.91
         24 |          1        0.01       99.92
         38 |          1        0.01       99.93
         40 |          1        0.01       99.94
         44 |          1        0.01       99.95
         49 |          1        0.01       99.96
         54 |          1        0.01       99.97
         67 |          1        0.01       99.98
         77 |          1        0.01       99.99
         79 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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