Frequencies for first 10,000 rows of pct002003 variable in sf12000860us12 dataset :

     Apache |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,570       85.70       85.70
          1 |        866        8.66       94.36
          2 |        270        2.70       97.06
          3 |        130        1.30       98.36
          4 |         75        0.75       99.11
          5 |         41        0.41       99.52
          6 |         24        0.24       99.76
          7 |          9        0.09       99.85
          8 |          4        0.04       99.89
          9 |          5        0.05       99.94
         10 |          4        0.04       99.98
         11 |          1        0.01       99.99
         14 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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