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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $272,332,858 | 79,400,580 | 79,400,580 |
| 2006 | $348,355,575 | 91,659,354 | 91,659,354 |
| 2007 | $546,969,229 | 136,778,540 | 136,778,540 |
| 2008 | $717,788,048 | 151,460,223 | 151,460,223 |
| 2009 | $589,479,155 | 124,796,597 | 124,796,597 |
| 2010 | $721,938,590 | 141,587,118 | 141,587,118 |
| 2011 | $718,076,641 | 135,815,717 | 135,815,717 |
Note: Quantity represents Weight in kilograms
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