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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,594,000 | 148,345 | 148,345 |
| 2006 | $3,940,000 | 87,600 | 87,600 |
| 2007 | $1,620,000 | 31,700 | 31,700 |
| 2008 | $1,416,000 | 22,400 | 22,400 |
| 2009 | $1,217,000 | 24,600 | 24,600 |
| 2010 | $1,304,000 | 24,356 | 24,356 |
| 2011 | $1,918,000 | 31,400 | 31,400 |
Note: Quantity represents Weight in kilograms
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