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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical signalling/safety/traffic control equip. for railways/tramways | | $2,865 | | | | $49,556 | $5,425 |
| Electrical signalling/safety/traffic control equip. other than for railways ... | $198,760 | $48,187 | $147,595 | $477,124 | $172,864 | $184,497 | $325,130 |
| Parts of the electrical signalling/safety/traffic control equip. of 85.30 | $10,111 | $25,026 | $5,022 | $10,265 | $13,251 | $48,045 | $8,284 |
| Total | $208,871 | $76,078 | $152,617 | $487,389 | $186,115 | $282,098 | $338,839 |
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