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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,233 | 28,910 | 28,910 |
| 2006 | $36,373 | 530,570 | 530,570 |
| 2007 | $311,564 | 4,355,740 | 4,355,740 |
| 2008 | $243,933 | 2,590,980 | 2,590,980 |
| 2009 | $187,059 | 2,183,265 | 2,183,265 |
| 2010 | $242,148 | 3,632,860 | 3,632,860 |
| 2011 | $336,202 | 4,493,200 | 4,493,200 |
Note: Quantity represents Weight in kilograms
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