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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $30,638 | 30,300 | 30,300 |
| 2006 | $25,464 | 43,103 | 43,103 |
| 2007 | $40,140 | 57,856 | 57,856 |
| 2008 | $43,557 | 61,604 | 61,604 |
| 2009 | $67,150 | 53,098 | 53,098 |
| 2010 | $98,917 | 79,191 | 79,191 |
| 2011 | $176,700 | 129,827 | 129,827 |
Note: Quantity represents Weight in kilograms
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