Frequencies for first 10,000 rows of diabetes variable in natl1989 dataset :

   Diabetes |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        107        1.07        1.07
          2 |      9,690       96.90       97.97
          9 |        203        2.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016