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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $240,372,588 | 98,265,259 | 98,265,259 |
| 2006 | $302,574,324 | 111,665,850 | 111,665,850 |
| 2007 | $392,241,786 | 124,701,093 | 124,701,093 |
| 2008 | $427,583,701 | 122,903,930 | 122,903,930 |
| 2009 | $282,042,996 | 94,056,540 | 94,056,540 |
| 2010 | $340,374,221 | 118,299,012 | 118,299,012 |
| 2011 | $406,845,269 | 129,009,459 | 129,009,459 |
Note: Quantity represents Weight in kilograms
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