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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $353,173,204 | 11,212,035 | 11,212,035 |
| 2006 | $265,437,545 | 10,043,771 | 10,043,771 |
| 2007 | $256,587,992 | 10,425,877 | 10,425,877 |
| 2008 | $264,278,973 | 10,010,731 | 10,010,731 |
| 2009 | $302,261,403 | 10,150,203 | 10,150,203 |
| 2010 | $447,554,183 | 11,677,485 | 11,677,485 |
| 2011 | $654,366,061 | 11,586,297 | 11,586,297 |
Note: Quantity represents Weight in kilograms
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