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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,690 | 5,640 | 5,640 |
| 2006 | $1,178 | 2,900 | 2,900 |
| 2007 | $1,813 | 1,868 | 1,868 |
| 2008 | $985 | 3,055 | 3,055 |
| 2009 | $7,365 | 13,998 | 13,998 |
| 2010 | $70,363 | 90,074 | 90,074 |
| 2011 | $55,547 | 53,630 | 53,630 |
Note: Quantity represents Weight in kilograms
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