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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $191,926,857 | 457,768,700 | 457,768,700 |
| 2006 | $217,583,154 | 413,155,700 | 413,155,700 |
| 2007 | $271,978,075 | 447,687,500 | 447,687,500 |
| 2008 | $397,096,866 | 497,639,094 | 497,639,094 |
| 2009 | $176,413,714 | 351,995,200 | 351,995,200 |
| 2010 | $207,049,935 | 367,430,800 | 367,430,800 |
| 2011 | $387,255,831 | 540,098,100 | 540,098,100 |
Note: Quantity represents Weight in kilograms
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