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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $37,000 | 46,514 | 46,514 |
| 2006 | $37,546 | 35,984 | 35,984 |
| 2007 | $54,675 | 54,032 | 54,032 |
| 2008 | $37,916 | 31,562 | 31,562 |
| 2009 | $43,886 | 41,176 | 41,176 |
| 2010 | $109,035 | 106,776 | 106,776 |
| 2011 | $162,384 | 146,758 | 146,758 |
Note: Quantity represents Weight in kilograms
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