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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,212 | 7,739 | 7,739 |
| 2006 | $12,574 | 8,458 | 8,458 |
| 2007 | $20,995 | 11,534 | 11,534 |
| 2008 | $21,886 | 14,715 | 14,715 |
| 2009 | $40,081 | 33,333 | 33,333 |
| 2010 | $44,065 | 28,534 | 28,534 |
| 2011 | $31,385 | 27,125 | 27,125 |
Note: Quantity represents Weight in kilograms
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