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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $68,585,729 | 1,638,493,333 | 1,638,493,333 |
| 2006 | $94,965,196 | 1,907,600,262 | 1,907,600,262 |
| 2007 | $204,181,946 | 1,969,443,510 | 1,969,443,510 |
| 2008 | $310,685,357 | 2,493,389,347 | 2,493,389,347 |
| 2009 | $143,913,522 | 2,612,732,214 | 2,612,732,214 |
| 2010 | $216,955,006 | 2,529,570,195 | 2,529,570,195 |
| 2011 | $378,062,129 | 3,093,509,582 | 3,093,509,582 |
Note: Quantity represents Weight in kilograms
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