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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $173,042 | 7,902 | 7,902 |
| 2006 | $34,878 | 2,209 | 2,209 |
| 2007 | $8,187 | 196 | 196 |
| 2008 | $11,096 | 309 | 309 |
| 2009 | $79,133 | 7,104 | 7,104 |
| 2010 | $467,246 | 20,745 | 20,745 |
| 2011 | $601,080 | 47,888 | 47,888 |
Note: Quantity represents Weight in kilograms
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