Commodity2005200620072008200920102011
Electrical signalling/safety/traffic control equip. for railways/tramways$220,517$474,271$3,875,947$17,689,752$29,040,745$20,548,100$27,064,893
Electrical signalling/safety/traffic control equip. other than for railways ...$7,911,483$9,987,712$9,890,200$10,611,388$6,017,905$9,738,746$50,283,669
Parts of the electrical signalling/safety/traffic control equip. of 85.30$12,107,724$9,507,588$12,552,102$13,642,716$23,949,822$16,564,379$8,571,674
Total$20,239,724$19,969,571$26,318,249$41,943,856$59,008,472$46,851,225$85,920,236