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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $545,456,433 | 1,773,685 | 1,773,685 |
| 2006 | $562,392,514 | 1,411,644 | 1,411,644 |
| 2007 | $69,261,768 | 375,516 | 375,516 |
| 2008 | $43,900,894 | 386,147 | 386,147 |
| 2009 | $15,787,621 | 178,326 | 178,326 |
| 2010 | $10,828,028 | 181,236 | 181,236 |
Note: Quantity represents Weight in kilograms
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