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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $9,163 | 1,275 | 1,275 |
| 2006 | $1,062 | 385 | 385 |
| 2007 | $16,379 | 2,500 | 2,500 |
| 2008 | $186,083 | 60,100 | 60,100 |
| 2009 | $315,426 | 108,100 | 108,100 |
| 2010 | $644,785 | 174,500 | 174,500 |
| 2011 | $191,824 | 41,200 | 41,200 |
Note: Quantity represents Weight in kilograms
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