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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $34,982 | 5,004 | 5,004 |
| 2006 | $37,322 | 6,188 | 6,188 |
| 2007 | $54,039 | 22,246 | 22,246 |
| 2008 | $52,832 | 20,578 | 20,578 |
| 2009 | $48,644 | 8,644 | 8,644 |
| 2010 | $27,076 | 3,749 | 3,749 |
| 2011 | $22,880 | 6,819 | 6,819 |
Note: Quantity represents Weight in kilograms
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