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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $4,649 | 970 | 970 |
| 2006 | $22,863 | 3,793 | 3,793 |
| 2007 | $28,975 | 4,174 | 4,174 |
| 2008 | $42,565 | 6,740 | 6,740 |
| 2009 | $24,590 | 4,086 | 4,086 |
| 2010 | $15,600 | 2,598 | 2,598 |
| 2011 | $14,742 | 2,097 | 2,097 |
Note: Quantity represents Weight in kilograms
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