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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,206 | 11,183 | 11,183 |
| 2006 | $13,195 | 15,051 | 15,051 |
| 2007 | $19,051 | 19,000 | 19,000 |
| 2008 | $44,983 | 38,271 | 38,271 |
| 2009 | $24,430 | 28,528 | 28,528 |
| 2010 | $27,158 | 26,524 | 26,524 |
| 2011 | $37,187 | 34,385 | 34,385 |
Note: Quantity represents Weight in kilograms
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