Frequencies for first 10,000 rows of pct012k017 variable in sf12010860us30 dataset :

   14 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,804       88.04       88.04
          1 |        885        8.85       96.89
          2 |        186        1.86       98.75
          3 |         59        0.59       99.34
          4 |         26        0.26       99.60
          5 |         11        0.11       99.71
          6 |          4        0.04       99.75
          7 |          5        0.05       99.80
          8 |          2        0.02       99.82
          9 |          1        0.01       99.83
         10 |          4        0.04       99.87
         12 |          1        0.01       99.88
         13 |          1        0.01       99.89
         17 |          1        0.01       99.90
         28 |          1        0.01       99.91
         29 |          1        0.01       99.92
         33 |          1        0.01       99.93
         47 |          1        0.01       99.94
         48 |          1        0.01       99.95
         50 |          1        0.01       99.96
         51 |          1        0.01       99.97
         54 |          1        0.01       99.98
         83 |          1        0.01       99.99
         87 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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