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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $20,584,000 | 2,409,500 | 2,409,500 |
| 2006 | $16,320,000 | 1,981,900 | 1,981,900 |
| 2007 | $14,313,000 | 1,530,100 | 1,530,100 |
| 2008 | $12,461,000 | 1,209,100 | 1,209,100 |
| 2009 | $8,696,000 | 877,301 | 877,301 |
| 2010 | $8,669,887 | 726,711 | 726,711 |
| 2011 | $8,268,096 | 560,592 | 560,592 |
Note: Quantity represents Weight in kilograms
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