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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $253,132,430 | 42,708,916 | 42,708,916 |
| 2006 | $266,022,767 | 43,171,218 | 43,171,218 |
| 2007 | $288,427,192 | 40,258,321 | 40,258,321 |
| 2008 | $267,740,092 | 40,946,240 | 40,946,240 |
| 2009 | $192,253,558 | 29,727,040 | 29,727,040 |
| 2010 | $183,533,570 | 29,526,534 | 29,526,534 |
| 2011 | $167,211,707 | 23,547,193 | 23,547,193 |
Note: Quantity represents Weight in kilograms
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