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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,011 | 1,030 | 1,030 |
| 2006 | $9,324 | 9,494 | 9,494 |
| 2007 | $7,711 | 7,376 | 7,376 |
| 2008 | $1,457 | 1,475 | 1,475 |
| 2009 | $15,700 | 15,399 | 15,399 |
| 2010 | $110,818 | 115,514 | 115,514 |
| 2011 | $152,000 | 149,166 | 149,166 |
Note: Quantity represents Weight in kilograms
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