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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $26,484,000 | 4,812,500 | 4,812,500 |
| 2006 | $34,558,000 | 5,464,174 | 5,464,174 |
| 2007 | $35,549,000 | 4,919,277 | 4,919,277 |
| 2008 | $38,091,000 | 5,186,881 | 5,186,881 |
| 2009 | $28,116,000 | 4,046,044 | 4,046,044 |
| 2010 | $33,624,961 | 4,525,700 | 4,525,700 |
| 2011 | $44,117,142 | 4,236,448 | 4,236,448 |
Note: Quantity represents Weight in kilograms
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