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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $23,338 | 24,495 | 24,495 |
| 2006 | $15,436 | 33,851 | 33,851 |
| 2007 | $18,588 | 20,751 | 20,751 |
| 2008 | $48,080 | 67,636 | 67,636 |
| 2009 | $22,951 | 25,096 | 25,096 |
| 2010 | $21,379 | 25,348 | 25,348 |
| 2011 | $27,067 | 28,955 | 28,955 |
Note: Quantity represents Weight in kilograms
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