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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,977 | 2,728 | 2,728 |
| 2006 | $4,568 | 7,270 | 7,270 |
| 2007 | $8,446 | 9,535 | 9,535 |
| 2008 | $18,320 | 14,608 | 14,608 |
| 2009 | $22,411 | 25,135 | 25,135 |
| 2010 | $17,118 | 17,382 | 17,382 |
| 2011 | $22,199 | 18,339 | 18,339 |
Note: Quantity represents Weight in kilograms
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