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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical signalling/safety/traffic control equip. for railways/tramways | $20,780 | $1,330 | $14,964 | $382 | $1,908 | $10,899 | $68,654 |
| Electrical signalling/safety/traffic control equip. other than for railways ... | $205,985 | $428,301 | $634,895 | $1,702,401 | $1,079,247 | $3,947,649 | $2,643,233 |
| Parts of the electrical signalling/safety/traffic control equip. of 85.30 | $29,894 | $69,509 | $99,123 | $128,830 | $288,260 | $306,030 | $671,126 |
| Total | $256,659 | $499,140 | $748,982 | $1,831,613 | $1,369,415 | $4,264,578 | $3,383,013 |
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