RC - Internal Medicine 225,721
RA - Public Medicine 140,504
R - General Medicine 100,817
RD - Surgery 42,866
RM - Therapeutics and Pharmacology 35,086
RJ - Pediatrics 32,132
RG - Gynecology and Obstetrics 25,727
RS - Pharmacy 18,368
RB - Pathology 16,347
RT - Nursing 15,899
RK - Dentistry 12,227
RE - Ophthalmology 10,770
RL - Dermatology 6,101
RF - Otorhinolarynhology 5,430
RZ - Other Systems of Medicine 2,200
RX - Homeopathy 1,739
RV - Botanic, Thomsonia, Eclectic Medicine 415
E - United States History 1
Q - General Science 1