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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $63,408 | 8,656 | 8,656 |
| 2006 | $33,380 | 6,852 | 6,852 |
| 2007 | $68,816 | 7,991 | 7,991 |
| 2008 | $82,068 | 25,566 | 25,566 |
| 2009 | $150,456 | 36,429 | 36,429 |
| 2010 | $174,620 | 211,169 | 211,169 |
| 2011 | $34,059 | 16,691 | 16,691 |
Note: Quantity represents Weight in kilograms
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