QA - Mathematics 358,852
QC - Physics 190,471
Q - General Science 135,040
QH - Natural History and Biology 124,583
QE - Geology 122,012
QL - Zoology 121,658
QK - Botany 85,672
QD - Chemistry 85,328
QP - Physiology 78,518
QB - Astronomy 61,689
QR - Microbiology 24,517
QM - Human Anatomy 14,410
B - Philosophy 2
E - United States History 2
F - General American History 1