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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $845,738 | 28,130 | 28,130 |
| 2006 | $540,334 | 19,464 | 19,464 |
| 2007 | $624,965 | 26,425 | 26,425 |
| 2008 | $713,880 | 20,515 | 20,515 |
| 2009 | $380,175 | 17,536 | 17,536 |
| 2010 | $216,684 | 6,330 | 6,330 |
| 2011 | $281,486 | 7,771 | 7,771 |
Note: Quantity represents Weight in kilograms
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