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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $218,304,111 | 41,878,099 | 41,878,099 |
| 2006 | $232,932,343 | 44,684,287 | 44,684,287 |
| 2007 | $245,074,587 | 44,909,573 | 44,909,573 |
| 2008 | $277,158,995 | 47,836,299 | 47,836,299 |
| 2009 | $261,315,946 | 38,951,274 | 38,951,274 |
| 2010 | $295,129,621 | 47,937,949 | 47,937,949 |
| 2011 | $316,737,667 | 52,448,832 | 52,448,832 |
Note: Quantity represents Weight in kilograms
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