Commodity2005200620072008200920102011
Electrical signalling/safety/traffic control equip. for railways/tramways$429,994$2,631,528$124,158$278,234$307,823$2,261,299$1,706,375
Electrical signalling/safety/traffic control equip. other than for railways ...$5,502,657$13,407,473$16,081,480$7,492,900$7,062,815$10,232,834$13,594,843
Parts of the electrical signalling/safety/traffic control equip. of 85.30$5,939,340$4,191,744$5,762,352$6,725,351$7,182,831$6,900,671$8,000,351
Total$11,871,991$20,230,745$21,967,990$14,496,485$14,553,469$19,394,804$23,301,569