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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $15,335,000 | 20,234,300 | 20,234,300 |
| 2006 | $19,892,000 | 26,505,100 | 26,505,100 |
| 2007 | $17,490,000 | 17,155,500 | 17,155,500 |
| 2008 | $15,533,000 | 15,392,800 | 15,392,800 |
| 2009 | $12,700,000 | 16,452,600 | 16,452,600 |
| 2010 | $11,968,000 | 15,017,800 | 15,017,800 |
| 2011 | $10,423,000 | 13,114,300 | 13,114,300 |
Note: Quantity represents Weight in kilograms
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