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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,307 | 5,258 | 5,258 |
| 2006 | $22,937 | 446 | 446 |
| 2007 | $45,724 | 1,025 | 1,025 |
| 2008 | $29,522 | 434 | 434 |
| 2009 | $23,662 | 3,810 | 3,810 |
| 2010 | $55,342 | 1,111 | 1,111 |
| 2011 | $54,031 | 1,034 | 1,034 |
Note: Quantity represents Weight in kilograms
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