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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical signalling/safety/traffic control equip. for railways/tramways | $704,462 | $647,947 | $861,925 | $1,518,719 | $5,018,233 | $11,851,963 | $13,320,670 |
| Electrical signalling/safety/traffic control equip. other than for railways ... | $2,161,730 | $5,604,264 | $11,145,159 | $10,779,213 | $13,671,905 | $12,067,907 | $16,106,673 |
| Parts of the electrical signalling/safety/traffic control equip. of 85.30 | $3,464,431 | $3,116,704 | $481,867 | $544,953 | $1,007,213 | $915,385 | $2,010,205 |
| Total | $6,330,623 | $9,368,915 | $12,488,951 | $12,842,885 | $19,697,351 | $24,835,255 | $31,437,548 |
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