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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $174,750,778 | 527,958,068 | 527,958,068 |
| 2006 | $198,805,760 | 387,494,958 | 387,494,958 |
| 2007 | $115,843,939 | 320,570,442 | 320,570,442 |
| 2008 | $236,687,772 | 483,066,597 | 483,066,597 |
| 2009 | $176,236,329 | 303,841,281 | 303,841,281 |
Note: Quantity represents Weight in kilograms
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