Frequencies for first 10,000 rows of othrexam variable in namcs2001 dataset :

 other exam |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,489       74.89       74.89
          1 |      2,511       25.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016