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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,547 | 888 | 888 |
| 2006 | $8,718 | 6,407 | 6,407 |
| 2007 | $5,464 | 9,313 | 9,313 |
| 2008 | $50,763 | 27,462 | 27,462 |
| 2009 | $34,736 | 59,708 | 59,708 |
| 2010 | $40,711 | 12,490 | 12,490 |
| 2011 | $305,341 | 76,182 | 76,182 |
Note: Quantity represents Weight in kilograms
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