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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $25,352 | 2,718 | 2,718 |
| 2006 | $17,839 | 11,800 | 11,800 |
| 2007 | $52,766 | 29,658 | 29,658 |
| 2008 | $290 | 260 | 260 |
| 2009 | $18,580 | 6,262 | 6,262 |
| 2010 | $350,582 | 264,965 | 264,965 |
| 2011 | $511,978 | 364,203 | 364,203 |
Note: Quantity represents Weight in kilograms
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