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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $161,457,475 | 251,909,375 | 251,909,375 |
| 2006 | $203,988,239 | 294,971,159 | 294,971,159 |
| 2007 | $255,975,362 | 296,143,476 | 296,143,476 |
| 2008 | $287,126,070 | 275,951,985 | 275,951,985 |
| 2009 | $280,570,573 | 318,517,889 | 318,517,889 |
| 2010 | $408,864,386 | 390,033,073 | 390,033,073 |
| 2011 | $443,934,534 | 364,087,933 | 364,087,933 |
Note: Quantity represents Weight in kilograms
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