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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $214,587,261 | 341,720,830 | 341,720,830 |
| 2006 | $172,578,106 | 285,172,452 | 285,172,452 |
| 2007 | $183,878,127 | 269,127,786 | 269,127,786 |
| 2008 | $141,863,420 | 198,831,913 | 198,831,913 |
| 2009 | $120,857,804 | 176,952,505 | 176,952,505 |
| 2010 | $163,654,383 | 226,314,728 | 226,314,728 |
| 2011 | $135,905,580 | 168,122,176 | 168,122,176 |
Note: Quantity represents Weight in kilograms
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