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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $18,696,107 | 303,159,939 | 303,159,939 |
| 2006 | $15,642,001 | 267,319,400 | 267,319,400 |
| 2007 | $22,685,597 | 311,707,566 | 311,707,566 |
| 2008 | $32,258,124 | 354,192,862 | 354,192,862 |
| 2009 | $17,364,440 | 229,584,965 | 229,584,965 |
| 2010 | $27,308,413 | 347,568,431 | 347,568,431 |
| 2011 | $27,985,504 | 298,778,063 | 298,778,063 |
Note: Quantity represents Weight in kilograms
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