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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $77,710 | 1,053,100 | 1,053,100 |
| 2006 | $40,650 | 512,500 | 512,500 |
| 2007 | $39,802 | 458,575 | 458,575 |
| 2008 | $18,534 | 168,000 | 168,000 |
| 2009 | $6,526 | 53,500 | 53,500 |
| 2010 | $3,443 | 28,250 | 28,250 |
| 2011 | $1,559 | 13,339 | 13,339 |
Note: Quantity represents Weight in kilograms
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