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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,500 | 532 | 532 |
| 2006 | $45,200 | 1,105 | 1,105 |
| 2007 | $50,000 | 1,263 | 1,263 |
| 2008 | $55,500 | 2,988 | 2,988 |
| 2009 | $44,400 | 1,514 | 1,514 |
| 2010 | $54,100 | 3,998 | 3,998 |
| 2011 | $48,900 | 1,392 | 1,392 |
Note: Quantity represents Weight in kilograms
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