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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $194,904,195 | 55,294,715 | 55,294,715 |
| 2006 | $178,384,493 | 36,627,959 | 36,627,959 |
| 2007 | $228,773,444 | 51,301,772 | 51,301,772 |
| 2008 | $365,213,964 | 80,053,087 | 80,053,087 |
| 2009 | $234,206,099 | 46,953,882 | 46,953,882 |
| 2010 | $156,331,485 | 33,396,341 | 33,396,341 |
| 2011 | $180,540,857 | 39,149,567 | 39,149,567 |
Note: Quantity represents Weight in kilograms
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