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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $382,487,000 | 41,564,599 | 37,918,085 |
| 2006 | $417,624,000 | 33,625,488 | 41,401,413 |
| 2007 | $471,184,000 | 32,422,894 | 0 |
| 2008 | $527,276,000 | 31,323,624 | 59,063,100 |
| 2009 | $380,802,000 | 21,691,752 | 0 |
| 2010 | $480,982,358 | 25,607,693 | 54,267,613 |
| 2011 | $535,395,185 | 25,896,305 | 56,356,177 |
Note: Quantity represents Number of items
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