Frequencies for first 10,000 rows of diabetes variable in natl1991 dataset :

   Diabetes |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        183        1.83        1.83
          2 |      9,810       98.10       99.93
          9 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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