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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $5,324 | 4,028 | 4,028 |
| 2006 | $3,238 | 1,160 | 1,160 |
| 2007 | $1,761 | 1,719 | 1,719 |
| 2008 | $12,014 | 21,202 | 21,202 |
| 2009 | $6,140 | 6,964 | 6,964 |
| 2010 | $34,322 | 25,942 | 25,942 |
| 2011 | $5,495 | 5,359 | 5,359 |
Note: Quantity represents Weight in kilograms
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