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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $341,569,097 | 1,173,855 | 1,173,855 |
| 2006 | $474,863,216 | 1,691,597 | 1,691,597 |
| 2007 | $474,030,852 | 1,884,779 | 1,884,779 |
| 2008 | $521,879,005 | 2,067,694 | 2,067,694 |
| 2009 | $436,794,250 | 1,887,169 | 1,887,169 |
| 2010 | $555,205,263 | 2,459,903 | 2,459,903 |
| 2011 | $629,303,332 | 2,614,346 | 2,614,346 |
Note: Quantity represents Weight in kilograms
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