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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $19,344,423 | 1,178,475,083 | 1,178,475,083 |
| 2006 | $21,096,593 | 1,234,329,653 | 1,234,329,653 |
| 2007 | $25,496,103 | 1,350,182,174 | 1,350,182,174 |
| 2008 | $30,465,411 | 1,437,075,013 | 1,437,075,013 |
| 2009 | $27,559,821 | 1,306,685,358 | 1,306,685,358 |
| 2010 | $30,076,290 | 1,431,654,804 | 1,431,654,804 |
| 2011 | $37,053,298 | 1,485,806,073 | 1,485,806,073 |
Note: Quantity represents Weight in kilograms
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