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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $28,011 | 15,005 | 15,005 |
| 2006 | $15,109 | 8,024 | 8,024 |
| 2007 | $25,001 | 10,525 | 10,525 |
| 2008 | $54,745 | 23,192 | 23,192 |
| 2009 | $43,042 | 20,991 | 20,991 |
| 2010 | $54,161 | 30,552 | 30,552 |
| 2011 | $19,544 | 13,402 | 13,402 |
Note: Quantity represents Weight in kilograms
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