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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,543 | 665 | 665 |
| 2006 | $8,425 | 1,582 | 1,582 |
| 2007 | $7,086 | 1,743 | 1,743 |
| 2008 | $19,001 | 3,032 | 3,032 |
| 2009 | $7,879 | 1,267 | 1,267 |
| 2010 | $14,535 | 1,636 | 1,636 |
| 2011 | $19,686 | 1,342 | 1,342 |
Note: Quantity represents Weight in kilograms
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