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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $130,656,182 | 296,969,511 | 296,969,511 |
| 2006 | $111,941,040 | 219,816,118 | 219,816,118 |
| 2007 | $114,045,106 | 273,876,959 | 273,876,959 |
| 2008 | $155,641,580 | 260,000,015 | 260,000,015 |
| 2009 | $95,835,124 | 184,345,765 | 184,345,765 |
| 2010 | $37,293,263 | 96,989,244 | 96,989,244 |
Note: Quantity represents Weight in kilograms
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