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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $86,105,997 | 286,355,235 | 286,355,235 |
| 2006 | $103,883,894 | 277,249,102 | 277,249,102 |
| 2007 | $119,036,744 | 418,906,108 | 418,906,108 |
| 2008 | $172,191,758 | 347,206,678 | 347,206,678 |
| 2009 | $134,896,455 | 360,407,479 | 360,407,479 |
| 2010 | $125,156,092 | 346,057,154 | 346,057,154 |
| 2011 | $166,765,453 | 412,562,875 | 412,562,875 |
Note: Quantity represents Weight in kilograms
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