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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $353,122,175 | 8,236,515 | 8,236,515 |
| 2006 | $386,297,157 | 8,893,110 | 8,893,110 |
| 2007 | $456,684,294 | 9,835,316 | 9,835,316 |
| 2008 | $481,839,344 | 9,813,352 | 9,813,352 |
| 2009 | $343,952,419 | 7,131,954 | 7,131,954 |
| 2010 | $436,246,013 | 9,037,841 | 9,037,841 |
| 2011 | $457,405,429 | 8,952,462 | 8,952,462 |
Note: Quantity represents Weight in kilograms
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