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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $92,607,000 | 84,889,998 | 84,889,998 |
| 2006 | $140,670,000 | 128,947,877 | 128,947,877 |
| 2007 | $147,360,000 | 92,001,730 | 92,001,730 |
| 2008 | $175,669,000 | 93,540,406 | 93,540,406 |
| 2009 | $95,449,000 | 73,200,934 | 73,200,934 |
| 2010 | $134,749,000 | 121,693,794 | 121,693,794 |
| 2011 | $178,287,000 | 103,268,077 | 103,268,077 |
Note: Quantity represents Weight in kilograms
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