TA - General and Civil Engineering 2,733
TK - Electrical and Nuclear Engineering 1,806
TJ - Mechanical Engineering and Machinery 1,026
TP - Chemical Technology 628
TS - Manufactures 394
T - General Technology 361
TH - Building Construction 350
TL - Motor Vehicles and Aeronautics 298
TX - Home Economics 228
TD - Environmental Technology 202
TN - Mining Engineering and Metallurgy 80
TC - Hydraulic and Ocean Engineering 52
TT - Arts and Crafts 36
TR - Photography 31
TE - Highway Engineering 21
TG - Bridge Engineering 12
TF - Railroad Engineering and Operation 4