Commodity2005200620072008200920102011
Electrical signalling/safety/traffic control equip. for railways/tramways$3,563,836$5,206,780$7,536,768$6,567,615$10,783,501$6,106,161$9,435,945
Electrical signalling/safety/traffic control equip. other than for railways ...$3,946,151$4,622,332$7,185,177$12,608,533$8,376,239$14,319,786$9,869,366
Parts of the electrical signalling/safety/traffic control equip. of 85.30$4,962,361$7,464,406$9,688,408$12,846,400$14,628,026$10,950,562$13,167,563
Total$12,472,348$17,293,518$24,410,353$32,022,548$33,787,766$31,376,509$32,472,874