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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $243,961,148 | 15,285,533 | 15,285,533 |
| 2006 | $436,259,064 | 22,345,507 | 22,345,507 |
| 2007 | $513,686,961 | 24,118,661 | 24,118,661 |
| 2008 | $604,332,080 | 25,652,650 | 25,652,650 |
| 2009 | $426,770,311 | 22,173,835 | 22,173,835 |
| 2010 | $339,365,516 | 23,151,395 | 23,151,395 |
| 2011 | $379,669,495 | 22,897,768 | 22,897,768 |
Note: Quantity represents Weight in kilograms
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