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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $425,714,578 | 58,966,988 | 58,966,988 |
| 2006 | $631,665,392 | 71,781,208 | 71,781,208 |
| 2007 | $893,439,836 | 84,260,338 | 84,260,338 |
| 2008 | $854,124,814 | 76,828,789 | 76,828,789 |
| 2009 | $782,282,798 | 73,563,741 | 73,563,741 |
| 2010 | $1,045,635,238 | 87,425,669 | 87,425,669 |
| 2011 | $1,380,456,423 | 98,481,888 | 98,481,888 |
Note: Quantity represents Weight in kilograms
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