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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $400,202,108 | 12,588,964 | 12,588,964 |
| 2006 | $615,110,720 | 30,081,724 | 30,081,724 |
| 2007 | $551,513,378 | 31,500,591 | 31,500,591 |
| 2008 | $651,028,441 | 40,616,720 | 40,616,720 |
| 2009 | $774,456,208 | 94,344,183 | 94,344,183 |
| 2010 | $790,075,426 | 62,068,176 | 62,068,176 |
| 2011 | $883,097,751 | 45,169,580 | 45,169,580 |
Note: Quantity represents Weight in kilograms
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