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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $616,016 | 16,783 | 16,783 |
| 2006 | $802,811 | 18,609 | 18,609 |
| 2007 | $1,085,566 | 30,236 | 30,236 |
| 2008 | $997,568 | 18,121 | 18,121 |
| 2009 | $530,002 | 19,879 | 19,879 |
| 2010 | $528,052 | 26,634 | 26,634 |
| 2011 | $486,478 | 21,354 | 21,354 |
Note: Quantity represents Weight in kilograms
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