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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $272,422,000 | 26,850,991 | 26,850,991 |
| 2006 | $309,953,000 | 30,298,062 | 30,298,062 |
| 2007 | $352,728,000 | 30,704,348 | 30,704,348 |
| 2008 | $361,385,000 | 28,499,846 | 28,499,846 |
| 2009 | $255,138,000 | 20,776,703 | 20,776,703 |
| 2010 | $297,329,754 | 26,211,234 | 26,211,234 |
| 2011 | $352,259,712 | 28,230,097 | 28,230,097 |
Note: Quantity represents Weight in kilograms
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