2004 2005 2006 2007 2008 2009 2010 2011 $0 $5,000 $10,000 $15,000 $20,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,037 | 1,403 | 1,403 |
| 2006 | $7,690 | 242 | 242 |
| 2007 | $9,067 | 2,947 | 2,947 |
| 2008 | $8,215 | 3,085 | 3,085 |
| 2009 | $4,161 | 41 | 41 |
| 2010 | $14,289 | 1,343 | 1,343 |
Note: Quantity represents Weight in kilograms
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