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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $462,449,857 | 47,362,629 | 47,362,629 |
| 2006 | $515,050,161 | 61,102,215 | 61,102,215 |
| 2007 | $552,787,311 | 62,129,739 | 62,129,739 |
| 2008 | $608,788,334 | 61,304,727 | 61,304,727 |
| 2009 | $440,195,995 | 45,944,560 | 45,944,560 |
| 2010 | $458,311,418 | 46,210,501 | 46,210,501 |
| 2011 | $557,644,000 | 51,815,563 | 51,815,563 |
Note: Quantity represents Weight in kilograms
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