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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $267,266,962 | 83,515,017 | 83,515,017 |
| 2006 | $295,542,391 | 82,819,616 | 82,819,616 |
| 2007 | $302,917,210 | 78,360,089 | 78,360,089 |
| 2008 | $309,260,448 | 66,911,428 | 66,911,428 |
| 2009 | $261,698,229 | 51,557,204 | 51,557,204 |
| 2010 | $345,957,950 | 71,200,793 | 71,200,793 |
| 2011 | $333,520,660 | 60,616,073 | 60,616,073 |
Note: Quantity represents Weight in kilograms
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