Frequencies for first 10,000 rows of pct012k014 variable in sf12010860us30 dataset :

   11 years |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,907       89.07       89.07
          1 |        816        8.16       97.23
          2 |        148        1.48       98.71
          3 |         62        0.62       99.33
          4 |         26        0.26       99.59
          5 |          6        0.06       99.65
          6 |          9        0.09       99.74
          7 |          4        0.04       99.78
          8 |          2        0.02       99.80
          9 |          3        0.03       99.83
         10 |          1        0.01       99.84
         11 |          1        0.01       99.85
         12 |          1        0.01       99.86
         13 |          2        0.02       99.88
         14 |          1        0.01       99.89
         18 |          1        0.01       99.90
         26 |          1        0.01       99.91
         30 |          1        0.01       99.92
         33 |          1        0.01       99.93
         37 |          1        0.01       99.94
         39 |          1        0.01       99.95
         45 |          1        0.01       99.96
         64 |          1        0.01       99.97
         68 |          1        0.01       99.98
         77 |          1        0.01       99.99
         97 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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