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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $264,245,205 | 2,715,216 | 2,715,216 |
| 2006 | $231,194,821 | 1,706,192 | 1,706,192 |
| 2007 | $353,567,447 | 2,455,889 | 2,455,889 |
| 2008 | $407,255,772 | 3,598,023 | 3,598,023 |
| 2009 | $238,263,198 | 4,742,069 | 4,742,069 |
| 2010 | $262,887,710 | 4,814,562 | 4,814,562 |
| 2011 | $277,319,580 | 2,637,448 | 2,637,448 |
Note: Quantity represents Weight in kilograms
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