Commodity2005200620072008200920102011
Electrical signalling/safety/traffic control equip. for railways/tramways$3,370,327$6,826,159$5,015,597$8,916,700$11,134,287$6,522,845$10,956,609
Electrical signalling/safety/traffic control equip. other than for railways ...$10,830,474$11,306,388$9,360,213$12,423,854$15,619,482$8,454,051$10,029,134
Parts of the electrical signalling/safety/traffic control equip. of 85.30$3,979,308$5,099,635$14,784,962$20,852,766$11,647,789$13,400,153$20,728,365
Total$18,180,109$23,232,182$29,160,772$42,193,320$38,401,558$28,377,049$41,714,108