Commodity2005200620072008200920102011
Electrical signalling/safety/traffic control equip. for railways/tramways$438,199$407,506$2,383,263$5,689,328$3,758,187$2,288,443$3,080,222
Electrical signalling/safety/traffic control equip. other than for railways ...$60,714,385$38,878,927$43,408,985$55,436,596$50,413,994$52,487,948$47,560,753
Parts of the electrical signalling/safety/traffic control equip. of 85.30$36,009,206$43,356,341$53,354,675$61,459,797$69,619,891$69,525,228$68,360,562
Total$97,161,790$82,642,774$99,146,923$122,585,721$123,792,072$124,301,619$119,001,537