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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,000 | 1,000 | 1,000 |
| 2006 | $4,524 | 3,200 | 3,200 |
| 2007 | $2,340 | 15,000 | 15,000 |
| 2008 | $569 | 560 | 560 |
| 2009 | $2,762 | 2,175 | 2,175 |
| 2010 | $23,668 | 31,988 | 31,988 |
| 2011 | $42,438 | 42,044 | 42,044 |
Note: Quantity represents Weight in kilograms
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