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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $180,936,000 | 4,624,479 | 4,624,479 |
| 2006 | $209,933,000 | 5,271,777 | 5,271,777 |
| 2007 | $214,472,000 | 4,798,558 | 4,798,558 |
| 2008 | $227,719,000 | 4,448,730 | 4,448,730 |
| 2009 | $196,897,000 | 3,894,079 | 3,894,079 |
| 2010 | $247,534,295 | 4,987,480 | 4,987,480 |
| 2011 | $280,242,283 | 5,216,729 | 5,216,729 |
Note: Quantity represents Weight in kilograms
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