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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $137,816 | 136,156 | 136,156 |
| 2006 | $78,347 | 138,931 | 138,931 |
| 2007 | $117,442 | 170,638 | 170,638 |
| 2008 | $130,357 | 160,971 | 160,971 |
| 2009 | $141,969 | 198,352 | 198,352 |
| 2010 | $154,297 | 131,356 | 131,356 |
| 2011 | $191,987 | 169,934 | 169,934 |
Note: Quantity represents Weight in kilograms
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