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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $129,854,010 | 169,455,659 | 169,455,659 |
| 2006 | $175,124,119 | 200,103,318 | 200,103,318 |
| 2007 | $219,162,228 | 219,790,608 | 219,790,608 |
| 2008 | $286,591,800 | 225,504,145 | 225,504,145 |
| 2009 | $216,732,046 | 203,690,047 | 203,690,047 |
| 2010 | $181,686,920 | 168,169,577 | 168,169,577 |
| 2011 | $120,342,422 | 97,058,615 | 97,058,615 |
Note: Quantity represents Weight in kilograms
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