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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,043 | 1,100 | 1,100 |
| 2006 | $7,749 | 2,772 | 2,772 |
| 2007 | $32,736 | 28,801 | 28,801 |
| 2008 | $86,807 | 69,932 | 69,932 |
| 2009 | $166,541 | 373,144 | 373,144 |
| 2010 | $160,416 | 179,605 | 179,605 |
| 2011 | $151,289 | 363,482 | 363,482 |
Note: Quantity represents Weight in kilograms
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