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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $309,832,098 | 143,361,390 | 143,361,390 |
| 2006 | $381,574,346 | 135,369,000 | 135,369,000 |
| 2007 | $414,692,068 | 137,377,093 | 137,377,093 |
| 2008 | $395,678,438 | 131,564,842 | 131,564,842 |
| 2009 | $236,630,202 | 123,177,724 | 123,177,724 |
| 2010 | $285,791,651 | 110,966,125 | 110,966,125 |
| 2011 | $353,031,318 | 123,359,063 | 123,359,063 |
Note: Quantity represents Weight in kilograms
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