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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $254,335,366 | 12,362,331 | 0 |
| 2006 | $249,598,212 | 12,094,104 | 0 |
| 2007 | $285,956,475 | 12,834,222 | 25,080,006 |
| 2008 | $280,000,538 | 10,115,961 | 20,721,379 |
| 2009 | $227,535,790 | 7,991,801 | 16,308,594 |
| 2010 | $268,125,753 | 8,585,914 | 16,179,260 |
| 2011 | $309,863,833 | 8,762,873 | 18,404,026 |
Note: Quantity represents No Quantity
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