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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $148,678,690 | 307,823,375 | 307,823,375 |
| 2006 | $361,554,788 | 571,804,684 | 571,804,684 |
| 2007 | $367,751,955 | 444,017,748 | 444,017,748 |
| 2008 | $457,199,279 | 521,682,315 | 521,682,315 |
| 2009 | $143,661,902 | 136,722,609 | 136,722,609 |
| 2010 | $238,208,675 | 306,979,252 | 306,979,252 |
| 2011 | $165,842,655 | 176,585,725 | 176,585,725 |
Note: Quantity represents Weight in kilograms
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