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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $174,828,529 | 238,713,962 | 238,713,962 |
| 2006 | $124,959,670 | 186,664,023 | 186,664,023 |
| 2007 | $105,850,477 | 182,004,423 | 182,004,423 |
| 2008 | $166,883,104 | 178,400,643 | 178,400,643 |
| 2009 | $146,655,782 | 196,400,610 | 196,400,610 |
| 2010 | $132,277,613 | 172,749,214 | 172,749,214 |
| 2011 | $138,210,739 | 176,427,783 | 176,427,783 |
Note: Quantity represents Weight in kilograms
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