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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $191,946,000 | 13,582,142 | 13,582,142 |
| 2006 | $306,420,000 | 19,587,700 | 19,587,700 |
| 2007 | $393,980,000 | 22,923,475 | 22,923,475 |
| 2008 | $427,732,000 | 23,492,430 | 23,492,430 |
| 2009 | $244,249,000 | 13,994,131 | 13,994,131 |
| 2010 | $315,280,000 | 18,466,234 | 18,466,234 |
| 2011 | $371,293,000 | 20,268,155 | 20,268,155 |
Note: Quantity represents Weight in kilograms
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