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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,837 | 2,520 | 2,520 |
| 2006 | $17,153 | 3,242 | 3,242 |
| 2007 | $16,862 | 3,474 | 3,474 |
| 2008 | $15,129 | 2,322 | 2,322 |
| 2009 | $15,498 | 2,560 | 2,560 |
| 2010 | $13,120 | 2,714 | 2,714 |
| 2011 | $4,911 | 600 | 600 |
Note: Quantity represents Weight in kilograms
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