RC - Internal Medicine 225,181
RA - Public Medicine 140,244
R - General Medicine 100,637
RD - Surgery 42,725
RM - Therapeutics and Pharmacology 35,031
RJ - Pediatrics 32,073
RG - Gynecology and Obstetrics 25,694
RS - Pharmacy 18,331
RB - Pathology 16,335
RT - Nursing 15,886
RK - Dentistry 12,204
RE - Ophthalmology 10,759
RL - Dermatology 6,095
RF - Otorhinolarynhology 5,376
RZ - Other Systems of Medicine 2,198
RX - Homeopathy 1,737
RV - Botanic, Thomsonia, Eclectic Medicine 415
E - United States History 1
Q - General Science 1