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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,715 | 500 | 500 |
| 2006 | $14,967 | 1,239 | 1,239 |
| 2007 | $23,059 | 1,979 | 1,979 |
| 2008 | $39,523 | 4,354 | 4,354 |
| 2009 | $40,343 | 2,934 | 2,934 |
| 2010 | $25,948 | 3,552 | 3,552 |
| 2011 | $41,106 | 3,693 | 3,693 |
Note: Quantity represents Weight in kilograms
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