Commodity2005200620072008200920102011
Electrical signalling/safety/traffic control equip. for railways/tramways$34,580$3,340$72,132$49,700$256,630$6,099$691,508
Electrical signalling/safety/traffic control equip. other than for railways ...$94,598$2,339,457$2,756,394$18,117,133$12,249,782$13,954,161$10,681,035
Parts of the electrical signalling/safety/traffic control equip. of 85.30$1,817,061$95,878$784,846$303,948$379,140$341,775$515,778
Total$1,946,239$2,438,675$3,613,372$18,470,781$12,885,552$14,302,035$11,888,321