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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,407 | 1,651 | 1,651 |
| 2006 | $8,915 | 3,125 | 3,125 |
| 2007 | $27,337 | 8,185 | 8,185 |
| 2008 | $40,207 | 15,993 | 15,993 |
| 2009 | $34,457 | 15,128 | 15,128 |
| 2010 | $25,599 | 11,263 | 11,263 |
| 2011 | $45,878 | 42,190 | 42,190 |
Note: Quantity represents Weight in kilograms
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