Frequencies for first 10,000 rows of pct012k119 variable in sf12010860us30 dataset :

   12 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,892       88.92       88.92
          1 |        812        8.12       97.04
          2 |        174        1.74       98.78
          3 |         59        0.59       99.37
          4 |         27        0.27       99.64
          5 |          7        0.07       99.71
          6 |          5        0.05       99.76
          7 |          6        0.06       99.82
          8 |          1        0.01       99.83
          9 |          4        0.04       99.87
         10 |          1        0.01       99.88
         12 |          1        0.01       99.89
         22 |          2        0.02       99.91
         24 |          1        0.01       99.92
         28 |          1        0.01       99.93
         38 |          1        0.01       99.94
         43 |          1        0.01       99.95
         50 |          1        0.01       99.96
         57 |          1        0.01       99.97
         77 |          1        0.01       99.98
         81 |          1        0.01       99.99
         86 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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