TK - Electrical and Nuclear Engineering 3.235
TA - General and Civil Engineering 1.934
TD - Environmental Technology 1.255
T - General Technology 1.133
TP - Chemical Technology 952
TJ - Mechanical Engineering and Machinery 727
TL - Motor Vehicles and Aeronautics 637
TS - Manufactures 635
TR - Photography 465
TX - Home Economics 404
TN - Mining Engineering and Metallurgy 382
TH - Building Construction 352
TC - Hydraulic and Ocean Engineering 196
TT - Arts and Crafts 58
TE - Highway Engineering 55
TF - Railroad Engineering and Operation 46
TG - Bridge Engineering 27