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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $16,779 | 12,363 | 12,363 |
| 2006 | $16,363 | 9,798 | 9,798 |
| 2007 | $21,092 | 11,892 | 11,892 |
| 2008 | $24,629 | 7,102 | 7,102 |
| 2009 | $23,823 | 5,271 | 5,271 |
| 2010 | $41,788 | 30,465 | 30,465 |
| 2011 | $25,227 | 22,547 | 22,547 |
Note: Quantity represents Weight in kilograms
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