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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $444,580,068 | 74,878,265 | 74,878,265 |
| 2006 | $400,777,989 | 65,971,228 | 65,971,228 |
| 2007 | $568,673,549 | 73,377,479 | 73,377,479 |
| 2008 | $725,524,466 | 78,093,842 | 78,093,842 |
| 2009 | $592,720,171 | 64,182,512 | 64,182,512 |
| 2010 | $518,263,851 | 63,569,138 | 63,569,138 |
Note: Quantity represents Weight in kilograms
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