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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $3,253 | 3,272 | 3,272 |
| 2006 | $2,810 | 2,192 | 2,192 |
| 2007 | $2,088 | 1,376 | 1,376 |
| 2008 | $15,082 | 8,803 | 8,803 |
| 2009 | $29,262 | 14,252 | 14,252 |
| 2010 | $14,301 | 26,718 | 26,718 |
| 2011 | $6,038 | 3,946 | 3,946 |
Note: Quantity represents Weight in kilograms
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