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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $283,775,964 | 163,368,744 | 163,368,744 |
| 2006 | $328,255,273 | 171,277,497 | 171,277,497 |
| 2007 | $438,373,535 | 207,948,984 | 207,948,984 |
| 2008 | $442,366,789 | 186,740,433 | 186,740,433 |
| 2009 | $312,260,270 | 164,253,522 | 164,253,522 |
| 2010 | $388,412,664 | 182,519,920 | 182,519,920 |
Note: Quantity represents Weight in kilograms
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