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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $291,446,402 | 76,493,555 | 76,493,555 |
| 2006 | $322,865,975 | 80,261,163 | 80,261,163 |
| 2007 | $357,007,957 | 67,733,439 | 67,733,439 |
| 2008 | $385,426,679 | 69,911,910 | 69,911,910 |
| 2009 | $287,427,404 | 48,135,068 | 48,135,068 |
| 2010 | $353,204,801 | 48,696,125 | 48,696,125 |
| 2011 | $368,882,626 | 43,616,410 | 43,616,410 |
Note: Quantity represents Weight in kilograms
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