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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $590,348,889 | 124,677,696 | 124,677,696 |
| 2006 | $622,379,406 | 87,441,358 | 87,441,358 |
| 2007 | $605,156,388 | 74,833,412 | 74,833,412 |
| 2008 | $589,632,199 | 71,592,020 | 71,592,020 |
| 2009 | $555,342,882 | 56,334,076 | 56,334,076 |
| 2010 | $549,346,869 | 63,972,288 | 63,972,288 |
| 2011 | $564,828,181 | 70,021,601 | 70,021,601 |
Note: Quantity represents Weight in kilograms
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