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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,072 | 1,198 | 1,198 |
| 2006 | $11,820 | 7,519 | 7,519 |
| 2007 | $20,181 | 11,420 | 11,420 |
| 2008 | $25,094 | 10,188 | 10,188 |
| 2009 | $36,091 | 17,342 | 17,342 |
| 2010 | $51,478 | 19,221 | 19,221 |
| 2011 | $90,191 | 33,868 | 33,868 |
Note: Quantity represents Weight in kilograms
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