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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,681,000 | 4,001,800 | 4,001,800 |
| 2006 | $1,472,000 | 5,284,800 | 5,284,800 |
| 2007 | $4,862,000 | 25,231,700 | 25,231,700 |
| 2008 | $9,145,000 | 45,078,500 | 45,078,500 |
| 2009 | $8,993,000 | 30,998,700 | 30,998,700 |
| 2010 | $7,833,000 | 55,432,500 | 55,432,500 |
| 2011 | $1,613,000 | 23,139,100 | 23,139,100 |
Note: Quantity represents Weight in kilograms
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