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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $150,898,600 | 2,332,235 | 2,332,235 |
| 2006 | $186,115,873 | 2,976,894 | 2,976,894 |
| 2007 | $261,348,978 | 3,586,880 | 3,586,880 |
| 2008 | $291,820,145 | 3,207,246 | 3,207,246 |
| 2009 | $326,783,164 | 4,352,301 | 4,352,301 |
| 2010 | $419,539,243 | 5,557,445 | 5,557,445 |
| 2011 | $392,038,292 | 4,949,185 | 4,949,185 |
Note: Quantity represents Weight in kilograms
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