Commodity2005200620072008200920102011
Electrical signalling/safety/traffic control equip. for railways/tramways$8,984,489$11,102,260$4,906,385$6,536,526$7,229,644$8,666,135$6,608,548
Electrical signalling/safety/traffic control equip. other than for railways ...$7,103,765$7,871,808$9,889,749$9,548,012$11,001,893$10,523,417$11,108,380
Parts of the electrical signalling/safety/traffic control equip. of 85.30$26,849,201$30,147,934$28,219,865$27,315,045$29,907,068$34,060,382$25,977,552
Total$42,937,455$49,122,002$43,015,999$43,399,583$48,138,605$53,249,934$43,694,480