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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $6,711 | 31,241 | 31,241 |
| 2006 | $2,142 | 28,300 | 28,300 |
| 2007 | $4,238 | 33,701 | 33,701 |
| 2008 | $3,863 | 29,860 | 29,860 |
| 2009 | $1,672 | 13,426 | 13,426 |
| 2010 | $35,930 | 130,734 | 130,734 |
| 2011 | $22,897 | 124,793 | 124,793 |
Note: Quantity represents Weight in kilograms
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