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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $66,000 | 65,000 | 65,000 |
| 2006 | $58,010 | 46,581 | 46,581 |
| 2007 | $51,442 | 39,813 | 39,813 |
| 2008 | $79,819 | 82,309 | 82,309 |
| 2009 | $138,901 | 90,588 | 90,588 |
| 2010 | $76,483 | 72,371 | 72,371 |
| 2011 | $146,450 | 79,071 | 79,071 |
Note: Quantity represents Weight in kilograms
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