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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $99,936,256 | 97,843,047 | 97,843,047 |
| 2006 | $274,758,930 | 246,815,926 | 246,815,926 |
| 2007 | $326,646,543 | 373,470,045 | 373,470,045 |
| 2008 | $174,887,952 | 143,344,000 | 143,344,000 |
| 2009 | $72,930,672 | 59,300,000 | 59,300,000 |
| 2010 | $170,138,879 | 168,775,555 | 168,775,555 |
Note: Quantity represents Weight in kilograms
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