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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $171,278,553 | 4,540,789 | 4,540,789 |
| 2006 | $273,819,655 | 5,433,574 | 5,433,574 |
| 2007 | $450,431,490 | 0 | 0 |
| 2008 | $640,415,154 | 8,127,995 | 8,127,995 |
| 2009 | $498,642,772 | 5,864,600 | 5,864,600 |
| 2010 | $447,254,113 | 6,238,158 | 6,238,158 |
| 2011 | $593,979,159 | 8,506,994 | 8,506,994 |
Note: Quantity represents Weight in kilograms
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