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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $270,423,613 | 23,216,489 | 23,216,489 |
| 2006 | $273,372,999 | 24,227,746 | 24,227,746 |
| 2007 | $421,219,810 | 24,978,921 | 24,978,921 |
| 2008 | $617,117,829 | 26,438,411 | 26,438,411 |
| 2009 | $357,308,001 | 17,933,741 | 17,933,741 |
| 2010 | $515,199,061 | 24,798,331 | 24,798,331 |
| 2011 | $393,113,225 | 23,517,831 | 23,517,831 |
Note: Quantity represents Weight in kilograms
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