Commodity2005200620072008200920102011
Electrical signalling/safety/traffic control equip. for railways/tramways$20,994,469$23,456,635$16,611,446$10,904,264$16,985,242$15,636,313$19,582,111
Electrical signalling/safety/traffic control equip. other than for railways ...$67,885,290$68,497,134$82,775,927$102,877,604$107,797,948$119,437,555$108,287,322
Parts of the electrical signalling/safety/traffic control equip. of 85.30$105,576,101$126,798,659$149,588,973$185,512,380$156,623,690$152,051,956$153,443,289
Total$194,455,860$218,752,428$248,976,346$299,294,248$281,406,880$287,125,824$281,312,722