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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $287,439,888 | 10,880,076 | 10,880,076 |
| 2006 | $467,395,500 | 17,691,694 | 17,691,694 |
| 2007 | $515,816,202 | 17,614,201 | 17,614,201 |
| 2008 | $828,825,452 | 16,951,792 | 16,951,792 |
| 2009 | $877,965,219 | 845,119,257 | 845,119,257 |
| 2010 | $1,516,676,734 | 3,590,855,760 | 3,590,855,760 |
| 2011 | $1,322,554,300 | 20,359,884 | 20,359,884 |
Note: Quantity represents Weight in kilograms
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