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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,232,000 | 471,500 | 471,500 |
| 2006 | $1,602,000 | 498,100 | 498,100 |
| 2007 | $980,000 | 392,000 | 392,000 |
| 2008 | $1,090,000 | 378,547 | 378,547 |
| 2009 | $776,000 | 281,963 | 281,963 |
| 2010 | $1,000,000 | 374,675 | 374,675 |
| 2011 | $939,000 | 308,514 | 308,514 |
Note: Quantity represents Weight in kilograms
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