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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $40,953,518 | 241,549,277 | 241,549,277 |
| 2006 | $18,435,067 | 106,934,187 | 106,934,187 |
| 2007 | $2,212,896 | 8,610,991 | 8,610,991 |
| 2008 | $20,466,196 | 79,077,483 | 79,077,483 |
| 2009 | $26,234,158 | 155,080,401 | 155,080,401 |
| 2010 | $20,668,474 | 111,367,312 | 111,367,312 |
Note: Quantity represents Weight in kilograms
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