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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $312,152,343 | 18,056,872 | 18,056,872 |
| 2006 | $287,609,513 | 17,734,401 | 17,734,401 |
| 2007 | $286,319,481 | 20,148,654 | 20,148,654 |
| 2008 | $313,148,074 | 19,159,898 | 19,159,898 |
| 2009 | $202,459,257 | 11,898,460 | 11,898,460 |
| 2010 | $228,104,058 | 14,014,792 | 14,014,792 |
| 2011 | $289,814,704 | 16,996,918 | 16,996,918 |
Note: Quantity represents Weight in kilograms
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