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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $553,041,164 | 5,280,585 | 5,280,585 |
| 2006 | $757,816,538 | 6,551,258 | 6,551,258 |
| 2007 | $927,184,621 | 8,058,757 | 8,058,757 |
| 2008 | $978,307,697 | 8,077,841 | 8,077,841 |
| 2009 | $954,747,057 | 8,117,041 | 8,117,041 |
| 2010 | $1,364,972,731 | 11,727,911 | 11,727,911 |
| 2011 | $1,511,255,741 | 10,462,293 | 10,462,293 |
Note: Quantity represents Weight in kilograms
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