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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $137,956,927 | 12,386,805 | 12,386,805 |
| 2006 | $201,554,119 | 301,142,556 | 301,142,556 |
| 2007 | $313,551,982 | 178,835,250 | 178,835,250 |
| 2008 | $350,370,526 | 31,313,052 | 31,313,052 |
| 2009 | $268,325,665 | 26,913,696 | 26,913,696 |
| 2010 | $375,214,401 | 40,688,204 | 40,688,204 |
| 2011 | $487,711,637 | 44,944,276 | 44,944,276 |
Note: Quantity represents Weight in kilograms
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