Commodity2005200620072008200920102011
Electrical signalling/safety/traffic control equip. for railways/tramways$12,845,502$23,756,092$28,124,028$17,176,851$39,216,005$51,601,741$20,451,595
Electrical signalling/safety/traffic control equip. other than for railways ...$31,367,730$19,027,150$26,720,179$35,735,019$16,175,004$8,273,059$10,014,657
Parts of the electrical signalling/safety/traffic control equip. of 85.30$19,102,999$28,873,816$20,963,290$29,951,056$32,493,959$22,641,918$21,988,231
Total$63,316,231$71,657,058$75,807,497$82,862,926$87,884,968$82,516,718$52,454,483