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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $129,281,799 | 535,189,427 | 535,189,427 |
| 2006 | $173,159,979 | 724,079,649 | 724,079,649 |
| 2007 | $291,527,870 | 819,322,992 | 819,322,992 |
| 2008 | $392,321,353 | 706,594,238 | 706,594,238 |
| 2009 | $194,851,035 | 393,577,668 | 393,577,668 |
| 2010 | $200,987,025 | 436,800,268 | 436,800,268 |
| 2011 | $245,845,519 | 514,292,247 | 514,292,247 |
Note: Quantity represents Weight in kilograms
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