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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,179 | 500 | 500 |
| 2006 | $5,126 | 3,480 | 3,480 |
| 2007 | $6,324 | 4,743 | 4,743 |
| 2008 | $6,534 | 11,331 | 11,331 |
| 2009 | $15,920 | 19,977 | 19,977 |
| 2010 | $9,016 | 14,607 | 14,607 |
| 2011 | $5,350 | 7,345 | 7,345 |
Note: Quantity represents Weight in kilograms
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