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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $131,039,687 | 31,858,264 | 31,858,264 |
| 2006 | $137,781,738 | 34,228,276 | 34,228,276 |
| 2007 | $158,212,975 | 39,075,279 | 39,075,279 |
| 2008 | $212,545,190 | 45,614,208 | 45,614,208 |
| 2009 | $256,735,468 | 49,686,331 | 49,686,331 |
| 2010 | $395,950,360 | 68,568,353 | 68,568,353 |
| 2011 | $484,431,931 | 81,234,658 | 81,234,658 |
Note: Quantity represents Weight in kilograms
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