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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $437,421,223 | 15,997,522 | 15,997,522 |
| 2006 | $552,837,124 | 23,259,291 | 23,259,291 |
| 2007 | $716,090,016 | 48,452,418 | 48,452,418 |
| 2008 | $763,844,377 | 55,814,878 | 55,814,878 |
| 2009 | $534,467,431 | 33,694,522 | 33,694,522 |
| 2010 | $694,741,501 | 41,705,633 | 41,705,633 |
| 2011 | $835,618,185 | 41,498,248 | 41,498,248 |
Note: Quantity represents Weight in kilograms
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