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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $10,822,819 | 14,690,700 | 14,690,700 |
| 2006 | $275,493,994 | 269,302,415 | 269,302,415 |
| 2007 | $150,023,152 | 142,286,947 | 142,286,947 |
| 2008 | $123,278,600 | 115,396,628 | 115,396,628 |
| 2009 | $135,585,845 | 165,120,341 | 165,120,341 |
| 2010 | $429,327,927 | 538,462,432 | 538,462,432 |
| 2011 | $195,266,819 | 153,172,465 | 153,172,465 |
Note: Quantity represents Weight in kilograms
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