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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $981,500,691 | 156,594,698 | 156,594,698 |
| 2006 | $1,060,480,548 | 165,115,385 | 165,115,385 |
| 2007 | $1,216,189,420 | 0 | 0 |
| 2008 | $1,245,166,347 | 130,801,369 | 130,801,369 |
| 2009 | $1,078,312,691 | 94,095,891 | 94,095,891 |
| 2010 | $1,282,295,101 | 114,247,648 | 114,247,648 |
| 2011 | $1,423,565,564 | 130,986,040 | 130,986,040 |
Note: Quantity represents Weight in kilograms
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