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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $40,725,000 | 43,680,800 | 43,680,800 |
| 2006 | $49,169,000 | 46,831,200 | 46,831,200 |
| 2007 | $51,293,000 | 42,684,400 | 42,684,400 |
| 2008 | $61,780,000 | 49,799,800 | 49,799,800 |
| 2009 | $54,282,000 | 42,132,300 | 42,132,300 |
| 2010 | $46,892,114 | 37,383,600 | 37,383,600 |
| 2011 | $64,976,342 | 41,646,889 | 41,646,889 |
Note: Quantity represents Weight in kilograms
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