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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,197,545,180 | 40,399,591 | 40,399,591 |
| 2006 | $1,368,535,603 | 45,613,429 | 45,613,429 |
| 2007 | $2,001,998,727 | 58,918,260 | 58,918,260 |
| 2008 | $2,312,049,958 | 54,218,702 | 54,218,702 |
| 2009 | $2,433,663,124 | 49,136,095 | 49,136,095 |
| 2010 | $2,179,982,088 | 48,660,211 | 48,660,211 |
| 2011 | $2,344,567,375 | 44,636,034 | 44,636,034 |
Note: Quantity represents Weight in kilograms
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