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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $44,848 | 44,689 | 44,689 |
| 2006 | $61,794 | 63,747 | 63,747 |
| 2007 | $558 | 60 | 60 |
| 2008 | $2,932 | 2,527 | 2,527 |
| 2009 | $38,291 | 11,905 | 11,905 |
| 2010 | $904 | 1,271 | 1,271 |
| 2011 | $7,198 | 3,392 | 3,392 |
Note: Quantity represents Weight in kilograms
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