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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,300 | 16 | 47 |
| 2006 | $6,100 | 94 | 355 |
| 2007 | $142,100 | 1,749 | 5,638 |
| 2008 | $290,800 | 4,031 | 13,807 |
| 2009 | $308,600 | 6,093 | 21,871 |
| 2010 | $650,200 | 13,998 | 43,506 |
| 2011 | $797,400 | 15,680 | 51,684 |
Note: Quantity represents Number of items
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