Frequencies for first 10,000 rows of diabetes variable in natlterr2001 dataset :

   Diabetes |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        247        2.47        2.47
          2 |      9,730       97.30       99.77
          8 |         20        0.20       99.97
          9 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015