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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $372,376 | 16,736 | 16,736 |
| 2006 | $351,120 | 16,935 | 16,935 |
| 2007 | $642,188 | 42,521 | 42,521 |
| 2008 | $949,614 | 99,090 | 99,090 |
| 2009 | $476,911 | 69,213 | 69,213 |
| 2010 | $662,073 | 83,983 | 83,983 |
| 2011 | $622,035 | 104,240 | 104,240 |
Note: Quantity represents Weight in kilograms
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