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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $55,999 | 34,120 | 34,120 |
| 2006 | $28,965 | 17,580 | 17,580 |
| 2007 | $25,393 | 10,716 | 10,716 |
| 2008 | $79,488 | 39,963 | 39,963 |
| 2009 | $61,512 | 28,181 | 28,181 |
| 2010 | $104,762 | 40,060 | 40,060 |
| 2011 | $102,774 | 59,886 | 59,886 |
Note: Quantity represents Weight in kilograms
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