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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $500,466 | 15,749 | 15,749 |
| 2006 | $3,306,905 | 62,203 | 62,203 |
| 2007 | $1,736,004 | 60,576 | 60,576 |
| 2008 | $1,784,263 | 29,421 | 29,421 |
| 2009 | $1,454,401 | 20,896 | 20,896 |
| 2010 | $221,628 | 36,531 | 36,531 |
| 2011 | $41,032 | 82,280 | 82,280 |
Note: Quantity represents Weight in kilograms
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