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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $23,057,838 | 59,286,084 | 59,286,084 |
| 2006 | $58,803,403 | 130,323,228 | 130,323,228 |
| 2007 | $131,749,096 | 224,078,413 | 224,078,413 |
| 2008 | $199,110,629 | 207,587,993 | 207,587,993 |
| 2009 | $89,368,750 | 225,866,614 | 225,866,614 |
| 2010 | $87,903,130 | 148,008,891 | 148,008,891 |
| 2011 | $249,967,311 | 329,285,536 | 329,285,536 |
Note: Quantity represents Weight in kilograms
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