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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,416 | 6,007 | 6,007 |
| 2006 | $6,777 | 24,203 | 24,203 |
| 2007 | $4,462 | 14,500 | 14,500 |
| 2008 | $5,390 | 26,322 | 26,322 |
| 2009 | $1,888 | 3,800 | 3,800 |
| 2010 | $880 | 2,800 | 2,800 |
| 2011 | $542 | 1,528 | 1,528 |
Note: Quantity represents Weight in kilograms
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