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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,587 | 1,814 | 1,814 |
| 2006 | $12,169 | 45,467 | 45,467 |
| 2007 | $69,481 | 166,540 | 166,540 |
| 2008 | $16,461 | 22,136 | 22,136 |
| 2009 | $5,527 | 8,370 | 8,370 |
| 2010 | $3,457 | 827 | 827 |
| 2011 | $3,314 | 225 | 225 |
Note: Quantity represents Weight in kilograms
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