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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $376,315,195 | 6,352,076 | 6,352,076 |
| 2006 | $361,199,408 | 6,297,875 | 6,297,875 |
| 2007 | $405,095,611 | 6,355,791 | 6,355,791 |
| 2008 | $352,478,123 | 6,190,181 | 6,190,181 |
| 2009 | $110,271,975 | 2,114,694 | 2,114,694 |
| 2010 | $76,617,251 | 1,185,491 | 1,185,491 |
| 2011 | $76,787,016 | 1,456,566 | 1,456,566 |
Note: Quantity represents Weight in kilograms
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