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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,725,720 | 1,664,445 | 1,664,445 |
| 2006 | $2,276,389 | 3,018,453 | 3,018,453 |
| 2007 | $8,156,252 | 10,269,649 | 10,269,649 |
| 2008 | $53,117,161 | 57,851,104 | 57,851,104 |
| 2009 | $67,952,258 | 126,544,823 | 126,544,823 |
| 2010 | $298,875,266 | 419,239,508 | 419,239,508 |
| 2011 | $399,038,748 | 513,118,676 | 513,118,676 |
Note: Quantity represents Weight in kilograms
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