Commodity200520062007200820092010
Electrical signalling/safety/traffic control equip. for railways/tramways$2,626,818$1,831,683$3,141,705$4,799,146$2,692,105$6,537,367
Electrical signalling/safety/traffic control equip. other than for railways ...$9,513,980$10,800,397$15,660,485$16,066,900$14,568,057$12,808,254
Parts of the electrical signalling/safety/traffic control equip. of 85.30$4,765,070$4,513,880$8,372,389$6,288,841$3,284,927$7,942,682
Total$16,905,868$17,145,960$27,174,579$27,154,887$20,545,089$27,288,303