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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $187,324,290 | 169,227,945 | 169,227,945 |
| 2006 | $175,492,376 | 182,765,726 | 182,765,726 |
| 2007 | $160,160,606 | 126,290,048 | 126,290,048 |
| 2008 | $304,081,702 | 229,482,289 | 229,482,289 |
| 2009 | $156,747,113 | 102,793,594 | 102,793,594 |
| 2010 | $184,391,455 | 109,345,030 | 109,345,030 |
| 2011 | $204,347,886 | 151,397,457 | 151,397,457 |
Note: Quantity represents Weight in kilograms
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