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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,247 | 951 | 951 |
| 2006 | $12,045 | 1,342 | 1,342 |
| 2007 | $25,500 | 913 | 913 |
| 2008 | $42,284 | 3,776 | 3,776 |
| 2009 | $31,688 | 3,254 | 3,254 |
| 2010 | $36,580 | 6,375 | 6,375 |
| 2011 | $41,918 | 11,467 | 11,467 |
Note: Quantity represents Weight in kilograms
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