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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $534,594,579 | 521,505,200 | 521,505,200 |
| 2006 | $567,439,237 | 531,401,211 | 531,401,211 |
| 2007 | $640,419,795 | 523,015,376 | 523,015,376 |
| 2008 | $605,047,180 | 477,126,938 | 477,126,938 |
| 2009 | $507,956,925 | 455,391,294 | 455,391,294 |
| 2010 | $512,156,707 | 460,817,538 | 460,817,538 |
| 2011 | $510,736,762 | 459,500,622 | 459,500,622 |
Note: Quantity represents Weight in kilograms
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