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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $76,022 | 9,700 | 9,700 |
| 2006 | $66,743 | 7,575 | 7,575 |
| 2007 | $73,385 | 8,382 | 8,382 |
| 2008 | $177,241 | 109,445 | 109,445 |
| 2009 | $267,484 | 40,839 | 40,839 |
| 2010 | $306,083 | 45,681 | 45,681 |
| 2011 | $684,505 | 115,453 | 115,453 |
Note: Quantity represents Weight in kilograms
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