Frequencies for first 10,000 rows of pct003003 variable in sf12000860us12 dataset :

     Apache |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,620       76.20       76.20
          1 |      1,105       11.05       87.25
          2 |        487        4.87       92.12
          3 |        290        2.90       95.02
          4 |        182        1.82       96.84
          5 |        111        1.11       97.95
          6 |         70        0.70       98.65
          7 |         44        0.44       99.09
          8 |         27        0.27       99.36
          9 |         14        0.14       99.50
         10 |         12        0.12       99.62
         11 |          6        0.06       99.68
         12 |         10        0.10       99.78
         13 |          6        0.06       99.84
         14 |          4        0.04       99.88
         15 |          6        0.06       99.94
         17 |          1        0.01       99.95
         18 |          1        0.01       99.96
         20 |          2        0.02       99.98
         21 |          1        0.01       99.99
         26 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2017