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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $315,787,000 | 650,767 | 0 |
| 2006 | $326,505,000 | 482,508 | 0 |
| 2007 | $365,643,000 | 435,094 | 0 |
| 2008 | $441,955,000 | 454,359 | 0 |
| 2009 | $346,262,000 | 395,245 | 1,589,212,316 |
| 2010 | $469,361,962 | 449,559 | 0 |
| 2011 | $455,602,809 | 443,909 | 0 |
Note: Quantity represents No Quantity
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