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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $144,231,000 | 6,204,976 | 6,204,976 |
| 2006 | $185,660,000 | 5,264,382 | 5,264,382 |
| 2007 | $298,214,000 | 9,089,053 | 9,089,053 |
| 2008 | $262,054,000 | 9,214,709 | 9,214,709 |
| 2009 | $105,228,000 | 6,207,685 | 6,207,685 |
| 2010 | $147,372,000 | 7,472,632 | 7,472,632 |
| 2011 | $169,176,000 | 7,626,296 | 7,626,296 |
Note: Quantity represents Weight in kilograms
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