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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $252,899,006 | 236,699,914 | 236,699,914 |
| 2006 | $288,369,781 | 216,675,976 | 216,675,976 |
| 2007 | $304,712,590 | 194,059,221 | 194,059,221 |
| 2008 | $371,963,883 | 215,213,432 | 215,213,432 |
| 2009 | $258,543,396 | 223,028,776 | 223,028,776 |
| 2010 | $306,784,964 | 226,324,497 | 226,324,497 |
| 2011 | $333,158,025 | 196,592,512 | 196,592,512 |
Note: Quantity represents Weight in kilograms
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