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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $400,589,000 | 11,664,783 | 11,664,783 |
| 2006 | $502,678,000 | 13,042,595 | 13,042,595 |
| 2007 | $579,332,000 | 20,259,697 | 20,259,697 |
| 2008 | $691,975,000 | 20,597,875 | 20,597,875 |
| 2009 | $828,532,000 | 21,384,878 | 21,384,878 |
| 2010 | $750,307,886 | 19,448,312 | 19,448,312 |
| 2011 | $789,525,432 | 17,518,307 | 17,518,307 |
Note: Quantity represents Weight in kilograms
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