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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $201,538,805 | 26,858,666 | 26,858,666 |
| 2006 | $188,629,813 | 23,596,747 | 23,596,747 |
| 2007 | $169,835,581 | 19,286,637 | 19,286,637 |
| 2008 | $146,322,639 | 15,432,859 | 15,432,859 |
| 2009 | $113,808,342 | 10,672,502 | 10,672,502 |
| 2010 | $135,609,702 | 12,102,815 | 12,102,815 |
| 2011 | $146,475,858 | 10,629,354 | 10,629,354 |
Note: Quantity represents Weight in kilograms
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