6 courses (IWC) per year = 100% for the year (6 IWC = 100%)
2 courses (IWC) in a given quarter = 100% for that quarter (2 IWC = 100% for that quarter)
Courses with enrollments up to 200 = 1 IWC
Courses with enrollments of 200+ = 1.5 IWC
Courses with enrollments of 200+ with an honors section = 2 IWC