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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $146,326,922 | 227,203,393 | 227,203,393 |
| 2006 | $170,082,015 | 257,564,914 | 257,564,914 |
| 2007 | $254,125,155 | 277,650,550 | 277,650,550 |
| 2008 | $382,650,032 | 276,496,957 | 276,496,957 |
| 2009 | $219,922,256 | 209,658,811 | 209,658,811 |
| 2010 | $271,758,689 | 378,760,308 | 378,760,308 |
| 2011 | $358,566,146 | 379,524,319 | 379,524,319 |
Note: Quantity represents Weight in kilograms
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