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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $282,576,304 | 9,898,513 | 9,898,513 |
| 2006 | $317,033,442 | 9,742,689 | 9,742,689 |
| 2007 | $347,329,364 | 10,424,173 | 10,424,173 |
| 2008 | $388,480,512 | 11,044,021 | 11,044,021 |
| 2009 | $423,410,220 | 12,011,500 | 12,011,500 |
| 2010 | $453,489,765 | 15,219,964 | 15,219,964 |
| 2011 | $540,557,050 | 20,053,847 | 20,053,847 |
Note: Quantity represents Weight in kilograms
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