Commodity2005200620072008200920102011
Electrical signalling/safety/traffic control equip. for railways/tramways$673,243$773,441$1,185,565$2,834,391$3,043,792$4,050,514$2,418,778
Electrical signalling/safety/traffic control equip. other than for railways ...$3,678,938$5,225,619$6,292,730$10,077,126$6,751,289$7,189,859$8,943,163
Parts of the electrical signalling/safety/traffic control equip. of 85.30$17,740,401$21,062,138$14,099,068$9,031,814$6,287,489$7,587,224$6,707,735
Total$22,092,582$27,061,198$21,577,363$21,943,331$16,082,570$18,827,597$18,069,676