Commodity2005200620072008200920102011
Electrical signalling/safety/traffic control equip. for railways/tramways$443,765$700,601$2,646,193$5,511,223$935,054$4,631,500$3,818,414
Electrical signalling/safety/traffic control equip. other than for railways ...$6,949,573$7,632,202$9,391,686$9,914,594$6,391,753$5,763,527$35,940,900
Parts of the electrical signalling/safety/traffic control equip. of 85.30$5,204,337$2,770,177$8,281,888$5,566,874$3,560,780$7,741,545$76,519,535
Total$12,597,675$11,102,980$20,319,767$20,992,691$10,887,587$18,136,572$116,278,849