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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $23,636,000 | 11,480,500 | 11,480,500 |
| 2006 | $23,172,000 | 10,476,200 | 10,476,200 |
| 2007 | $22,566,000 | 9,888,400 | 9,888,400 |
| 2008 | $27,464,000 | 10,682,900 | 10,682,900 |
| 2009 | $22,183,000 | 10,375,600 | 10,375,600 |
| 2010 | $21,173,766 | 10,923,400 | 10,923,400 |
| 2011 | $29,280,033 | 13,023,799 | 13,023,799 |
Note: Quantity represents Weight in kilograms
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