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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,608 | 1,032 | 1,032 |
| 2006 | $42,025 | 2,166 | 2,166 |
| 2007 | $26,237 | 2,007 | 2,007 |
| 2008 | $39,215 | 1,367 | 1,367 |
| 2009 | $199,957 | 28,069 | 28,069 |
| 2010 | $77,324 | 9,175 | 9,175 |
| 2011 | $41,013 | 2,992 | 2,992 |
Note: Quantity represents Weight in kilograms
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