TK - Electrical and Nuclear Engineering 3,939
TA - General and Civil Engineering 2,641
TP - Chemical Technology 1,386
TD - Environmental Technology 1,377
T - General Technology 1,278
TJ - Mechanical Engineering and Machinery 1,065
TL - Motor Vehicles and Aeronautics 999
TS - Manufactures 779
TX - Home Economics 576
TH - Building Construction 455
TN - Mining Engineering and Metallurgy 429
TR - Photography 377
TC - Hydraulic and Ocean Engineering 208
TT - Arts and Crafts 113
TF - Railroad Engineering and Operation 57
TE - Highway Engineering 52
TG - Bridge Engineering 33
