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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,548,687 | 674,889,380 | 674,889,380 |
| 2006 | $24,309,841 | 633,740,926 | 633,740,926 |
| 2007 | $17,827,708 | 333,143,671 | 333,143,671 |
| 2008 | $3,377,564 | 62,777,849 | 62,777,849 |
| 2009 | $2,310,097 | 8,840,355 | 8,840,355 |
| 2010 | $3,883,134 | 28,165,628 | 28,165,628 |
| 2011 | $7,162,902 | 69,752,363 | 69,752,363 |
Note: Quantity represents Weight in kilograms
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