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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,076 | 4,595 | 4,595 |
| 2006 | $16,782 | 11,019 | 11,019 |
| 2007 | $34,562 | 13,147 | 13,147 |
| 2008 | $14,159 | 10,218 | 10,218 |
| 2009 | $25,323 | 4,650 | 4,650 |
| 2010 | $9,346 | 1,741 | 1,741 |
| 2011 | $849 | 156 | 156 |
Note: Quantity represents Weight in kilograms
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