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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical signalling/safety/traffic control equip. for railways/tramways | $32,293 | $5,229 | $550 | $193,009 | $50,483 | $22,419 | $21,512 |
| Electrical signalling/safety/traffic control equip. other than for railways ... | $519,014 | $1,918,649 | $1,398,036 | $591,262 | $2,174,541 | $2,851,742 | $1,027,492 |
| Parts of the electrical signalling/safety/traffic control equip. of 85.30 | $3,837,771 | $5,859,355 | $5,083,643 | $9,829,031 | $3,053,563 | $963,819 | $1,465,180 |
| Total | $4,389,078 | $7,783,233 | $6,482,229 | $10,613,302 | $5,278,587 | $3,837,980 | $2,514,184 |
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