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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $311,495 | 460,441 | 460,441 |
| 2006 | $467,180 | 625,957 | 625,957 |
| 2007 | $565,144 | 606,119 | 606,119 |
| 2008 | $571,098 | 506,302 | 506,302 |
| 2009 | $709,378 | 665,542 | 665,542 |
| 2010 | $1,185,916 | 1,510,545 | 1,510,545 |
| 2011 | $942,852 | 1,067,323 | 1,067,323 |
Note: Quantity represents Weight in kilograms
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