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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $95,722,742 | 1,346,208,581 | 1,346,208,581 |
| 2006 | $109,741,967 | 1,445,097,757 | 1,445,097,757 |
| 2007 | $145,488,433 | 1,417,262,611 | 1,417,262,611 |
| 2008 | $188,686,006 | 1,738,986,117 | 1,738,986,117 |
| 2009 | $130,383,670 | 1,650,832,465 | 1,650,832,465 |
| 2010 | $160,997,462 | 2,056,086,143 | 2,056,086,143 |
| 2011 | $186,286,271 | 1,925,944,359 | 1,925,944,359 |
Note: Quantity represents Weight in kilograms
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