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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $8,427,853 | 703,110,768 | 703,110,768 |
| 2006 | $9,048,116 | 602,190,184 | 602,190,184 |
| 2007 | $13,503,582 | 738,586,633 | 738,586,633 |
| 2008 | $13,063,787 | 651,144,020 | 651,144,020 |
| 2009 | $10,457,662 | 515,702,518 | 515,702,518 |
| 2010 | $9,893,154 | 536,518,297 | 536,518,297 |
| 2011 | $12,208,129 | 651,071,288 | 651,071,288 |
Note: Quantity represents Weight in kilograms
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