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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $600,300,886 | 60,862,268 | 60,862,268 |
| 2006 | $992,050,596 | 45,951,183 | 45,951,183 |
| 2007 | $550,421,316 | 300 | 0 |
| 2008 | $4,649,059,286 | 9,504,039,780 | 9,504,039,780 |
| 2009 | $3,749,269,410 | 55,834,722 | 55,834,722 |
| 2010 | $4,868,886,582 | 24,475,038 | 24,475,038 |
| 2011 | $5,209,997,091 | 25,182,385 | 25,182,385 |
Note: Quantity represents Weight in kilograms
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