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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $465,707,819 | 301,991,705 | 301,991,705 |
| 2006 | $557,855,141 | 335,571,922 | 335,571,922 |
| 2007 | $661,400,020 | 379,795,682 | 379,795,682 |
| 2008 | $780,223,839 | 398,862,345 | 398,862,345 |
| 2009 | $734,385,192 | 346,989,768 | 346,989,768 |
| 2010 | $948,085,668 | 386,498,786 | 386,498,786 |
| 2011 | $1,130,939,262 | 386,875,601 | 386,875,601 |
Note: Quantity represents Weight in kilograms
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