Commodity2005200620072008200920102011
Electrical signalling/safety/traffic control equip. for railways/tramways$4,311,822$7,274,832$11,032,325$22,976,361$17,135,481$13,520,261$18,554,533
Electrical signalling/safety/traffic control equip. other than for railways ...$925,250$1,594,101$1,678,452$2,310,506$1,280,841$695,461$2,665,359
Parts of the electrical signalling/safety/traffic control equip. of 85.30$3,486,771$2,896,585$3,635,138$6,103,467$4,711,557$9,651,771$8,391,222
Total$8,723,843$11,765,518$16,345,915$31,390,334$23,127,879$23,867,493$29,611,114