35%, ignoring "secondary majors" which may or may not coincide with primary majors that also have CS in the title. (Also ignoring the thousand first years at t

35%, ignoring "secondary majors" which may or may not coincide with primary majors that also have CS in the title. (Also ignoring the thousand first years at the end of the list.) The various 0.5 half-student quantities throw some doubt on the measurement too.