Commodity2005200620072008200920102011
Electrical signalling/safety/traffic control equip. for railways/tramways$304,313$484,700$596,048$2,014,012$4,300,827$3,748,181$4,090,833
Electrical signalling/safety/traffic control equip. other than for railways ...$1,749,106$2,209,327$2,475,185$1,986,119$2,622,266$4,309,658$3,938,751
Parts of the electrical signalling/safety/traffic control equip. of 85.30$1,344,732$1,777,124$3,673,135$4,070,015$3,644,801$3,218,107$5,577,361
Total$3,398,151$4,471,151$6,744,368$8,070,146$10,567,894$11,275,946$13,606,945