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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $25 | 50 | 50 |
| 2006 | $1 | 3 | 3 |
| 2007 | $2,303,271 | 481,565 | 481,565 |
| 2008 | $5,007,747 | 875,100 | 875,100 |
| 2009 | $3,045,506 | 470,159 | 470,159 |
| 2010 | $1,634,956 | 220,059 | 220,059 |
| 2011 | $505,275 | 62,671 | 62,671 |
Note: Quantity represents Weight in kilograms
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