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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,780,000 | 5,815,900 | 5,815,900 |
| 2006 | $5,634,000 | 6,033,100 | 6,033,100 |
| 2007 | $7,571,000 | 8,055,800 | 8,055,800 |
| 2008 | $7,316,000 | 7,073,000 | 7,073,000 |
| 2009 | $8,113,000 | 8,150,500 | 8,150,500 |
| 2010 | $8,744,000 | 9,703,910 | 9,703,910 |
| 2011 | $9,347,000 | 9,570,731 | 9,570,731 |
Note: Quantity represents Weight in kilograms
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