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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,262 | 3,878 | 3,878 |
| 2006 | $2,342 | 689 | 689 |
| 2007 | $1,469 | 381 | 381 |
| 2008 | $22,413 | 5,563 | 5,563 |
| 2009 | $43,005 | 20,226 | 20,226 |
| 2010 | $42,936 | 8,503 | 8,503 |
| 2011 | $73,821 | 14,323 | 14,323 |
Note: Quantity represents Weight in kilograms
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