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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $161,728,320 | 263,265,103 | 263,265,103 |
| 2006 | $187,574,464 | 275,161,564 | 275,161,564 |
| 2007 | $259,914,907 | 311,293,958 | 311,293,958 |
| 2008 | $351,584,008 | 323,178,705 | 323,178,705 |
| 2009 | $117,470,362 | 167,229,707 | 167,229,707 |
| 2010 | $61,133,671 | 63,850,108 | 63,850,108 |
| 2011 | $84,243,003 | 70,438,269 | 70,438,269 |
Note: Quantity represents Weight in kilograms
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