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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $39,300 | 2,093 | 2,093 |
| 2006 | $70,200 | 3,657 | 3,657 |
| 2007 | $94,600 | 5,080 | 5,080 |
| 2008 | $51,300 | 3,829 | 3,829 |
| 2009 | $23,700 | 1,699 | 1,699 |
| 2010 | $52,400 | 3,599 | 3,599 |
| 2011 | $22,400 | 1,166 | 1,166 |
Note: Quantity represents Weight in kilograms
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