Frequencies for first 10,000 rows of pct012n026 variable in sf12010860us33 dataset :

   23 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,915       89.15       89.15
          1 |        699        6.99       96.14
          2 |        185        1.85       97.99
          3 |         66        0.66       98.65
          4 |         51        0.51       99.16
          5 |         21        0.21       99.37
          6 |         17        0.17       99.54
          7 |          8        0.08       99.62
          8 |          7        0.07       99.69
          9 |          4        0.04       99.73
         10 |          7        0.07       99.80
         11 |          1        0.01       99.81
         12 |          1        0.01       99.82
         13 |          4        0.04       99.86
         14 |          2        0.02       99.88
         17 |          2        0.02       99.90
         18 |          4        0.04       99.94
         24 |          1        0.01       99.95
         27 |          1        0.01       99.96
         33 |          2        0.02       99.98
         43 |          1        0.01       99.99
         50 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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