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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $28,639 | 2,951 | 2,951 |
| 2006 | $30,935 | 2,440 | 2,440 |
| 2007 | $37,427 | 3,226 | 3,226 |
| 2008 | $29,033 | 2,184 | 2,184 |
| 2009 | $29,673 | 2,013 | 2,013 |
| 2010 | $31,155 | 1,797 | 1,797 |
| 2011 | $42,064 | 1,502 | 1,502 |
Note: Quantity represents Weight in kilograms
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