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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $53,995,000 | 58,879,900 | 58,879,900 |
| 2006 | $56,399,000 | 64,163,600 | 64,163,600 |
| 2007 | $51,889,000 | 52,605,800 | 52,605,800 |
| 2008 | $46,682,000 | 42,061,200 | 42,061,200 |
| 2009 | $42,181,000 | 40,362,336 | 40,362,336 |
| 2010 | $57,041,965 | 58,196,304 | 58,196,304 |
| 2011 | $70,395,271 | 61,746,396 | 61,746,396 |
Note: Quantity represents Weight in kilograms
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