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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $33,500 | 1,072 | 1,072 |
| 2006 | $50,600 | 1,886 | 1,886 |
| 2007 | $70,400 | 2,758 | 2,758 |
| 2008 | $144,200 | 4,737 | 4,737 |
| 2009 | $140,700 | 4,588 | 4,588 |
| 2010 | $219,400 | 8,827 | 8,827 |
| 2011 | $353,900 | 29,091 | 29,091 |
Note: Quantity represents Weight in kilograms
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