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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $249,186,646 | 29,185,066 | 29,185,066 |
| 2006 | $259,260,426 | 35,930,736 | 35,930,736 |
| 2007 | $292,618,517 | 39,963,141 | 39,963,141 |
| 2008 | $406,345,346 | 40,982,784 | 40,982,784 |
| 2009 | $281,586,642 | 32,865,997 | 32,865,997 |
| 2010 | $327,562,139 | 35,495,674 | 35,495,674 |
| 2011 | $378,251,681 | 41,418,829 | 41,418,829 |
Note: Quantity represents Weight in kilograms
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