Frequencies for first 10,000 rows of pct002012 variable in sf12000860us12 dataset :

       Cree |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,694       96.94       96.94
          1 |        244        2.44       99.38
          2 |         39        0.39       99.77
          3 |         13        0.13       99.90
          4 |          5        0.05       99.95
          5 |          3        0.03       99.98
          6 |          1        0.01       99.99
         10 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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