Frequencies for first 10,000 rows of nanemia variable in natl1996 dataset :

     Anemia |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          9        0.09        0.09
          2 |      9,897       98.97       99.06
          9 |         94        0.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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