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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $248,681,707 | 5,150,077 | 5,150,077 |
| 2006 | $310,881,650 | 8,129,573 | 8,129,573 |
| 2007 | $365,016,763 | 8,382,637 | 8,382,637 |
| 2008 | $399,747,607 | 6,609,047 | 6,609,047 |
| 2009 | $343,803,657 | 6,529,522 | 6,529,522 |
| 2010 | $397,474,606 | 11,246,093 | 11,246,093 |
| 2011 | $460,904,277 | 11,164,410 | 11,164,410 |
Note: Quantity represents Weight in kilograms
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