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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $114,143,105 | 1,000,093,452 | 1,000,093,452 |
| 2006 | $131,574,007 | 1,035,054,569 | 1,035,054,569 |
| 2007 | $50,533,010 | 212,141,849 | 212,141,849 |
| 2008 | $445,941,816 | 1,643,999,747 | 1,643,999,747 |
| 2009 | $278,880,071 | 1,651,986,811 | 1,651,986,811 |
| 2010 | $434,481,263 | 2,206,780,811 | 2,206,780,811 |
| 2011 | $537,901,846 | 1,989,739,059 | 1,989,739,059 |
Note: Quantity represents Weight in kilograms
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