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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $704,461,856 | 77,878,865 | 77,878,865 |
| 2006 | $746,590,918 | 79,285,740 | 79,285,740 |
| 2007 | $814,329,016 | 77,458,145 | 77,458,145 |
| 2008 | $733,344,570 | 69,025,648 | 69,025,648 |
| 2009 | $598,993,401 | 57,588,286 | 57,588,286 |
| 2010 | $654,145,371 | 65,620,623 | 65,620,623 |
| 2011 | $717,596,806 | 64,998,496 | 64,998,496 |
Note: Quantity represents Weight in kilograms
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