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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $342,587,000 | 3,909,762 | 3,909,762 |
| 2006 | $403,212,039 | 4,627,890 | 4,627,890 |
| 2007 | $478,109,414 | 5,022,543 | 5,022,543 |
| 2008 | $556,857,873 | 5,098,176 | 5,098,176 |
| 2009 | $595,384,147 | 5,634,511 | 5,634,511 |
| 2010 | $678,912,715 | 6,950,132 | 6,950,132 |
| 2011 | $736,511,779 | 6,255,974 | 6,255,974 |
Note: Quantity represents Weight in kilograms
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