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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $69,605,009 | 397,096,899 | 397,096,899 |
| 2006 | $81,001,793 | 443,888,739 | 443,888,739 |
| 2007 | $95,986,128 | 506,094,716 | 506,094,716 |
| 2008 | $105,190,518 | 456,362,183 | 456,362,183 |
| 2009 | $77,580,731 | 302,753,792 | 302,753,792 |
| 2010 | $67,178,558 | 335,141,791 | 335,141,791 |
| 2011 | $69,215,114 | 317,419,218 | 317,419,218 |
Note: Quantity represents Weight in kilograms
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