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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,186,930,382 | 68,155,949 | 68,155,949 |
| 2006 | $1,275,823,021 | 78,890,157 | 78,890,157 |
| 2007 | $1,141,369,288 | 67,608,064 | 67,608,064 |
| 2008 | $1,271,016,280 | 71,115,675 | 71,115,675 |
| 2009 | $994,562,009 | 57,612,236 | 57,612,236 |
| 2010 | $1,063,503,192 | 50,448,122 | 50,448,122 |
| 2011 | $1,313,044,411 | 58,884,581 | 58,884,581 |
Note: Quantity represents Weight in kilograms
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