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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $222,388,064 | 47,707,259 | 47,707,259 |
| 2006 | $243,548,393 | 48,193,602 | 48,193,602 |
| 2007 | $233,643,535 | 48,765,610 | 48,765,610 |
| 2008 | $216,137,408 | 41,052,863 | 41,052,863 |
| 2009 | $142,615,297 | 22,861,694 | 22,861,694 |
| 2010 | $150,088,863 | 25,320,560 | 25,320,560 |
| 2011 | $187,519,472 | 22,977,759 | 22,977,759 |
Note: Quantity represents Weight in kilograms
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