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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $30,493 | 891 | 891 |
| 2006 | $60,254 | 1,761 | 1,761 |
| 2007 | $103,632 | 56,804 | 56,804 |
| 2008 | $145,763 | 86,896 | 86,896 |
| 2009 | $171,824 | 89,144 | 89,144 |
| 2010 | $187,300 | 109,361 | 109,361 |
| 2011 | $153,782 | 74,239 | 74,239 |
Note: Quantity represents Weight in kilograms
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