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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $144,903,349 | 254,524,071 | 254,524,071 |
| 2006 | $166,907,208 | 295,851,657 | 295,851,657 |
| 2007 | $216,004,583 | 288,539,823 | 288,539,823 |
| 2008 | $342,049,623 | 311,358,147 | 311,358,147 |
| 2009 | $295,160,264 | 327,790,388 | 327,790,388 |
| 2010 | $231,467,908 | 263,918,390 | 263,918,390 |
| 2011 | $321,626,338 | 274,580,345 | 274,580,345 |
Note: Quantity represents Weight in kilograms
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