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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $98,435,367 | 134,300,156 | 134,300,156 |
| 2006 | $157,699,344 | 120,136,304 | 120,136,304 |
| 2007 | $224,708,300 | 108,164,035 | 108,164,035 |
| 2008 | $189,714,276 | 97,763,069 | 97,763,069 |
| 2009 | $351,352,654 | 192,495,681 | 192,495,681 |
| 2010 | $410,057,514 | 169,194,184 | 169,194,184 |
| 2011 | $635,638,301 | 154,990,819 | 154,990,819 |
Note: Quantity represents Weight in kilograms
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