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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $63,140 | 95,413 | 95,413 |
| 2006 | $47,424 | 63,963 | 63,963 |
| 2007 | $35,855 | 54,099 | 54,099 |
| 2008 | $176,543 | 172,600 | 172,600 |
| 2009 | $315,946 | 326,700 | 326,700 |
| 2010 | $392,098 | 484,347 | 484,347 |
| 2011 | $686,771 | 923,272 | 923,272 |
Note: Quantity represents Weight in kilograms
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