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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,354 | 1,669 | 1,669 |
| 2006 | $3,020 | 2,003 | 2,003 |
| 2007 | $2,530 | 2,088 | 2,088 |
| 2008 | $44,732 | 46,793 | 46,793 |
| 2009 | $28,776 | 29,560 | 29,560 |
| 2010 | $11,804 | 11,804 | 11,804 |
| 2011 | $5,847 | 5,847 | 5,847 |
Note: Quantity represents Weight in kilograms
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