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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $363,373,215 | 118,207,685 | 118,207,685 |
| 2006 | $402,790,644 | 118,991,725 | 118,991,725 |
| 2007 | $387,332,258 | 104,989,491 | 104,989,491 |
| 2008 | $371,308,636 | 98,869,567 | 98,869,567 |
| 2009 | $254,254,431 | 71,880,658 | 71,880,658 |
| 2010 | $356,942,830 | 91,831,304 | 91,831,304 |
| 2011 | $360,367,364 | 74,005,039 | 74,005,039 |
Note: Quantity represents Weight in kilograms
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