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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $246,714,424 | 151,080,480 | 151,080,480 |
| 2006 | $227,855,750 | 101,787,195 | 101,787,195 |
| 2007 | $132,587,290 | 60,096,733 | 60,096,733 |
| 2008 | $91,368,882 | 36,832,639 | 36,832,639 |
| 2009 | $61,680,193 | 26,195,820 | 26,195,820 |
| 2010 | $83,463,270 | 37,612,588 | 37,612,588 |
| 2011 | $98,495,375 | 43,953,329 | 43,953,329 |
Note: Quantity represents Weight in kilograms
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