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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $21,485 | 7,120 | 7,120 |
| 2006 | $52,523 | 17,407 | 17,407 |
| 2007 | $157,132 | 46,254 | 46,254 |
| 2008 | $231,363 | 66,781 | 66,781 |
| 2009 | $218,138 | 48,821 | 48,821 |
| 2010 | $185,075 | 41,164 | 41,164 |
| 2011 | $283,000 | 141,169 | 141,169 |
Note: Quantity represents Weight in kilograms
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