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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $646 | 2,952 | 2,952 |
| 2006 | $4,553 | 12,307 | 12,307 |
| 2007 | $945 | 2,899 | 2,899 |
| 2008 | $13,121 | 28,304 | 28,304 |
| 2009 | $11,645 | 7,412 | 7,412 |
| 2010 | $18,103 | 8,323 | 8,323 |
| 2011 | $4,151 | 2,975 | 2,975 |
Note: Quantity represents Weight in kilograms
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