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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $312,992,098 | 5,169,740 | 5,169,740 |
| 2006 | $308,252,111 | 3,835,385 | 3,835,385 |
| 2007 | $365,917,129 | 3,863,475 | 3,863,475 |
| 2008 | $254,250,718 | 1,237,935 | 1,237,935 |
| 2009 | $370,337,688 | 1,813,000 | 1,813,000 |
| 2010 | $464,703,781 | 3,282,000 | 3,282,000 |
Note: Quantity represents Weight in kilograms
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