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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,930 | 1,719 | 1,719 |
| 2006 | $4,479 | 13,030 | 13,030 |
| 2007 | $2,376 | 996 | 996 |
| 2008 | $4,850 | 2,863 | 2,863 |
| 2009 | $2,370 | 1,072 | 1,072 |
| 2010 | $37,557 | 36,357 | 36,357 |
| 2011 | $42,232 | 41,756 | 41,756 |
Note: Quantity represents Weight in kilograms
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