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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $579,640,000 | 0 | 2,621,691 |
| 2006 | $590,370,685 | 0 | 3,711,220 |
| 2007 | $715,003,243 | 0 | 3,895,822 |
| 2008 | $977,123,430 | 0 | 5,045,479 |
| 2009 | $718,889,378 | 0 | 3,015,186 |
| 2010 | $1,215,310,463 | 0 | 4,299,229 |
| 2011 | $1,636,445,785 | 0 | 4,004,654 |
Note: Quantity represents Number of items
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