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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $17,247 | 1,786 | 1,786 |
| 2006 | $18,195 | 2,400 | 2,400 |
| 2007 | $17,960 | 2,345 | 2,345 |
| 2008 | $11,956 | 1,215 | 1,215 |
| 2009 | $14,738 | 1,399 | 1,399 |
| 2010 | $7,710 | 827 | 827 |
| 2011 | $33,343 | 2,904 | 2,904 |
Note: Quantity represents Weight in kilograms
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