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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,120,560 | 518,300 | 518,300 |
| 2006 | $3,170,990 | 574,700 | 574,700 |
| 2007 | $5,329,621 | 783,800 | 783,800 |
| 2008 | $5,620,193 | 751,000 | 751,000 |
| 2009 | $4,320,801 | 639,400 | 639,400 |
| 2010 | $2,867,188 | 422,391 | 422,391 |
| 2011 | $2,341,566 | 430,000 | 430,000 |
Note: Quantity represents Weight in kilograms
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