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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,408,965,959 | 726,715 | 726,715 |
| 2006 | $1,689,570,504 | 751,316 | 751,316 |
| 2007 | $1,582,693,077 | 697,643 | 697,643 |
| 2008 | $1,612,302,556 | 817,933 | 817,933 |
| 2009 | $1,569,268,779 | 813,556 | 813,556 |
| 2010 | $1,888,484,959 | 811,597 | 811,597 |
| 2011 | $2,438,419,780 | 904,830 | 904,830 |
Note: Quantity represents Weight in kilograms
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