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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $106,777,345 | 393,236,774 | 393,236,774 |
| 2006 | $87,607,128 | 339,143,108 | 339,143,108 |
| 2007 | $138,533,004 | 415,701,590 | 415,701,590 |
| 2008 | $289,814,903 | 464,692,313 | 464,692,313 |
| 2009 | $105,196,437 | 365,193,159 | 365,193,159 |
| 2010 | $141,474,555 | 417,433,412 | 417,433,412 |
| 2011 | $303,385,111 | 620,145,813 | 620,145,813 |
Note: Quantity represents Weight in kilograms
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