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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,657 | 1,246 | 1,246 |
| 2006 | $2,344 | 1,946 | 1,946 |
| 2007 | $2,625 | 2,148 | 2,148 |
| 2008 | $2,408 | 1,802 | 1,802 |
| 2009 | $4,436 | 4,436 | 4,436 |
| 2010 | $4,479 | 4,479 | 4,479 |
| 2011 | $3,742 | 3,742 | 3,742 |
Note: Quantity represents Weight in kilograms
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