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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $349,594,249 | 11,812,032 | 11,812,032 |
| 2006 | $368,198,070 | 11,587,192 | 11,587,192 |
| 2007 | $314,728,383 | 8,300,827 | 8,300,827 |
| 2008 | $314,707,556 | 6,928,749 | 6,928,749 |
| 2009 | $234,512,765 | 5,104,483 | 5,104,483 |
| 2010 | $263,834,539 | 6,325,832 | 6,325,832 |
| 2011 | $312,353,890 | 7,009,881 | 7,009,881 |
Note: Quantity represents Weight in kilograms
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