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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $27,437 | 9,575 | 9,575 |
| 2006 | $28,143 | 7,391 | 7,391 |
| 2007 | $34,612 | 12,092 | 12,092 |
| 2008 | $44,332 | 10,882 | 10,882 |
| 2009 | $26,844 | 11,271 | 11,271 |
| 2010 | $50,186 | 18,457 | 18,457 |
| 2011 | $38,502 | 19,772 | 19,772 |
Note: Quantity represents Weight in kilograms
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