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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $321,496,662 | 29,851,129 | 29,851,129 |
| 2006 | $379,951,949 | 24,284,117 | 24,284,117 |
| 2007 | $454,325,967 | 27,149,217 | 27,149,217 |
| 2008 | $574,336,127 | 31,038,977 | 31,038,977 |
| 2009 | $517,991,884 | 24,742,643 | 24,742,643 |
| 2010 | $597,634,966 | 30,230,797 | 30,230,797 |
| 2011 | $715,176,205 | 36,034,147 | 36,034,147 |
Note: Quantity represents Weight in kilograms
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