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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $290,250,743 | 74,568,941 | 74,568,941 |
| 2006 | $300,499,779 | 70,207,365 | 70,207,365 |
| 2007 | $382,281,019 | 67,010,214 | 67,010,214 |
| 2008 | $362,194,730 | 59,663,015 | 59,663,015 |
| 2009 | $176,574,924 | 38,550,891 | 38,550,891 |
| 2010 | $269,852,235 | 56,706,329 | 56,706,329 |
| 2011 | $443,261,000 | 79,502,822 | 79,502,822 |
Note: Quantity represents Weight in kilograms
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