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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $12,533,271 | 240,596,264 | 240,596,264 |
| 2006 | $16,666,426 | 264,078,122 | 264,078,122 |
| 2007 | $18,600,974 | 299,192,055 | 299,192,055 |
| 2008 | $25,729,410 | 356,980,452 | 356,980,452 |
| 2009 | $18,076,117 | 261,157,886 | 261,157,886 |
| 2010 | $21,356,583 | 264,386,821 | 264,386,821 |
| 2011 | $28,334,921 | 321,277,852 | 321,277,852 |
Note: Quantity represents Weight in kilograms
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