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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $49,800 | 319,842 | 319,842 |
| 2006 | $46,400 | 281,023 | 281,023 |
| 2007 | $84,700 | 434,107 | 434,107 |
| 2008 | $360,500 | 529,176 | 529,176 |
| 2009 | $174,900 | 346,372 | 346,372 |
| 2010 | $122,000 | 287,187 | 287,187 |
| 2011 | $88,900 | 97,921 | 97,921 |
Note: Quantity represents Weight in kilograms
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