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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $20,440 | 5,980 | 5,980 |
| 2006 | $39,054 | 20,946 | 20,946 |
| 2007 | $40,243 | 18,948 | 18,948 |
| 2008 | $51,513 | 17,387 | 17,387 |
| 2009 | $40,548 | 17,452 | 17,452 |
| 2010 | $27,473 | 3,857 | 3,857 |
| 2011 | $37,514 | 7,854 | 7,854 |
Note: Quantity represents Weight in kilograms
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