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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,684 | 2,118 | 2,118 |
| 2006 | $12,233 | 3,372 | 3,372 |
| 2007 | $16,228 | 4,097 | 4,097 |
| 2008 | $22,711 | 4,936 | 4,936 |
| 2009 | $28,197 | 7,083 | 7,083 |
| 2010 | $27,309 | 5,975 | 5,975 |
| 2011 | $28,862 | 5,710 | 5,710 |
Note: Quantity represents Weight in kilograms
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