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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $279,688,192 | 140,603,652 | 140,603,652 |
| 2006 | $324,995,811 | 121,589,816 | 121,589,816 |
| 2007 | $346,076,554 | 123,371,023 | 123,371,023 |
| 2008 | $379,436,920 | 137,279,455 | 137,279,455 |
| 2009 | $138,669,554 | 76,642,939 | 76,642,939 |
| 2010 | $246,715,110 | 105,759,984 | 105,759,984 |
| 2011 | $254,785,392 | 94,052,843 | 94,052,843 |
Note: Quantity represents Weight in kilograms
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