Commodity2005200620072008200920102011
Electrical signalling/safety/traffic control equip. for railways/tramways$1,218,612$1,428,266$874,411$1,326,301$762,567$386,205$449,446
Electrical signalling/safety/traffic control equip. other than for railways ...$6,116,974$6,950,811$8,395,549$7,826,850$10,243,225$7,474,187$8,084,134
Parts of the electrical signalling/safety/traffic control equip. of 85.30$9,289,478$9,576,874$10,283,639$10,729,897$8,835,003$6,941,357$3,926,083
Total$16,625,064$17,955,951$19,553,599$19,883,048$19,840,795$14,801,749$12,459,663