TK - Electrical and Nuclear Engineering 23.488
TA - General and Civil Engineering 18.216
TP - Chemical Technology 9.554
T - General Technology 9.259
TR - Photography 7.997
TJ - Mechanical Engineering and Machinery 7.852
TS - Manufactures 7.547
TD - Environmental Technology 6.327
TL - Motor Vehicles and Aeronautics 6.322
TX - Home Economics 4.411
TN - Mining Engineering and Metallurgy 3.888
TH - Building Construction 2.574
TC - Hydraulic and Ocean Engineering 2.061
TE - Highway Engineering 1.302
TT - Arts and Crafts 1.273
TF - Railroad Engineering and Operation 819
TG - Bridge Engineering 577