TK - Electrical and Nuclear Engineering 57,046
TA - General and Civil Engineering 31,862
TJ - Mechanical Engineering and Machinery 23,728
TS - Manufactures 13,446
T - General Technology 9,799
TP - Chemical Technology 8,853
TL - Motor Vehicles and Aeronautics 8,545
TH - Building Construction 6,588
TD - Environmental Technology 6,026
TX - Home Economics 2,947
TR - Photography 2,793
TT - Arts and Crafts 1,762
TN - Mining Engineering and Metallurgy 1,748
TC - Hydraulic and Ocean Engineering 1,512
TE - Highway Engineering 817
TG - Bridge Engineering 346
TF - Railroad Engineering and Operation 228