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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $614,735,469 | 94,876,633 | 94,876,633 |
| 2006 | $843,997,504 | 109,869,918 | 109,869,918 |
| 2007 | $976,289,148 | 115,837,165 | 115,837,165 |
| 2008 | $1,180,199,650 | 136,492,892 | 136,492,892 |
| 2009 | $1,088,172,193 | 123,349,037 | 123,349,037 |
| 2010 | $1,622,428,241 | 161,892,474 | 161,892,474 |
| 2011 | $1,674,314,459 | 161,387,890 | 161,387,890 |
Note: Quantity represents Weight in kilograms
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