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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $666,864,537 | 74,953,428 | 74,953,428 |
| 2006 | $715,599,475 | 83,766,517 | 83,766,517 |
| 2007 | $848,535,862 | 87,544,812 | 87,544,812 |
| 2008 | $714,369,632 | 66,843,103 | 66,843,103 |
| 2009 | $697,708,253 | 75,391,277 | 75,391,277 |
| 2010 | $616,945,027 | 60,428,255 | 60,428,255 |
| 2011 | $743,562,877 | 56,998,099 | 56,998,099 |
Note: Quantity represents Weight in kilograms
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