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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $11,663,632 | 853,642,611 | 853,642,611 |
| 2006 | $12,293,434 | 858,526,574 | 858,526,574 |
| 2007 | $14,401,023 | 1,021,739,240 | 1,021,739,240 |
| 2008 | $18,116,026 | 935,113,831 | 935,113,831 |
| 2009 | $13,259,702 | 656,310,447 | 656,310,447 |
| 2010 | $16,293,873 | 816,520,262 | 816,520,262 |
| 2011 | $18,858,699 | 843,599,442 | 843,599,442 |
Note: Quantity represents Weight in kilograms
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