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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $285,283,833 | 368,705 | 368,705 |
| 2006 | $318,212,818 | 434,862 | 434,862 |
| 2007 | $295,053,949 | 394,085 | 394,085 |
| 2008 | $308,902,849 | 469,703 | 469,703 |
| 2009 | $251,333,173 | 362,510 | 362,510 |
| 2010 | $360,561,048 | 486,036 | 486,036 |
| 2011 | $431,837,354 | 452,112 | 452,112 |
Note: Quantity represents Weight in kilograms
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