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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $27,577 | 3,529 | 3,529 |
| 2006 | $1,440 | 316 | 316 |
| 2007 | $20,034 | 1,960 | 1,960 |
| 2008 | $16,923 | 2,775 | 2,775 |
| 2009 | $22,321 | 1,660 | 1,660 |
| 2010 | $21,331 | 1,418 | 1,418 |
| 2011 | $12,100 | 1,582 | 1,582 |
Note: Quantity represents Weight in kilograms
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