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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $224,148,816 | 3,419,216 | 3,419,216 |
| 2006 | $198,569,078 | 2,362,836 | 2,362,836 |
| 2007 | $263,443,606 | 3,992,267 | 3,992,267 |
| 2008 | $645,281,068 | 2,515,473 | 2,515,473 |
| 2009 | $784,614,140 | 1,607,218 | 1,607,218 |
| 2010 | $821,025,151 | 195,633,017 | 195,633,017 |
| 2011 | $1,020,431,986 | 0 | 0 |
Note: Quantity represents Weight in kilograms
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