Commodity200520062007200820092011
Electrical signalling/safety/traffic control equip. for railways/tramways   $1,525,044$409,422 
Electrical signalling/safety/traffic control equip. other than for railways ...$53,000$132,176$150,598$613,329$313,872$284,486
Parts of the electrical signalling/safety/traffic control equip. of 85.30$28,303$25,538$15,410$139,872$13,406$88,067
Total$81,303$157,714$166,008$2,278,245$736,700$372,553