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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $7,767 | 955 | 955 |
| 2006 | $13,541 | 1,666 | 1,666 |
| 2007 | $38,760 | 4,218 | 4,218 |
| 2008 | $16,799 | 1,819 | 1,819 |
| 2009 | $15,269 | 1,562 | 1,562 |
| 2010 | $33,985 | 3,307 | 3,307 |
| 2011 | $18,000 | 3,967 | 3,967 |
Note: Quantity represents Weight in kilograms
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