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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $14,500 | 1,557 | 1,557 |
| 2006 | $21,800 | 2,622 | 2,622 |
| 2007 | $78,100 | 2,902 | 2,902 |
| 2008 | $137,100 | 3,498 | 3,498 |
| 2009 | $32,700 | 3,467 | 3,467 |
| 2010 | $48,600 | 4,277 | 4,277 |
| 2011 | $66,900 | 7,021 | 7,021 |
Note: Quantity represents Weight in kilograms
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