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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $20,386 | 12,842 | 12,842 |
| 2006 | $15,492 | 9,187 | 9,187 |
| 2007 | $37,256 | 10,806 | 10,806 |
| 2008 | $28,502 | 8,004 | 8,004 |
| 2009 | $22,302 | 7,557 | 7,557 |
| 2010 | $17,424 | 29,890 | 29,890 |
| 2011 | $40,359 | 24,891 | 24,891 |
Note: Quantity represents Weight in kilograms
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