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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $54,324,543 | 48,949,313 | 48,949,313 |
| 2006 | $61,892,064 | 55,019,326 | 55,019,326 |
| 2007 | $98,198,543 | 65,827,620 | 65,827,620 |
| 2008 | $222,413,433 | 85,631,091 | 85,631,091 |
| 2009 | $173,793,251 | 78,836,266 | 78,836,266 |
| 2010 | $291,247,913 | 107,475,656 | 107,475,656 |
| 2011 | $489,736,340 | 151,290,829 | 151,290,829 |
Note: Quantity represents Weight in kilograms
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