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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $153,811,000 | 15,997,304 | 15,997,304 |
| 2006 | $163,533,000 | 17,033,500 | 17,033,500 |
| 2007 | $296,990,000 | 20,732,800 | 20,732,800 |
| 2008 | $365,552,000 | 21,799,517 | 21,799,517 |
| 2009 | $239,538,000 | 20,296,393 | 20,296,393 |
| 2010 | $204,525,590 | 18,420,419 | 18,420,419 |
| 2011 | $257,353,222 | 21,748,027 | 21,748,027 |
Note: Quantity represents Weight in kilograms
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