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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $243,870 | 36,780 | 850 |
| 2006 | $120,125 | 43,088 | 419 |
| 2007 | $101,207 | 31,999 | 409 |
| 2008 | $136,578 | 30,705 | 540 |
| 2009 | $129,071 | 23,606 | 474 |
| 2010 | $163,004 | 30,596 | 624 |
| 2011 | $51,289 | 16,959 | 209 |
Note: Quantity represents Number of items
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