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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $226,307,470 | 24,023,504 | 24,023,504 |
| 2006 | $251,765,159 | 24,474,072 | 24,474,072 |
| 2007 | $257,211,111 | 28,156,566 | 28,156,566 |
| 2008 | $278,737,125 | 0 | 0 |
| 2009 | $248,254,731 | 30,623,322 | 30,623,322 |
| 2010 | $296,519,708 | 41,089,125 | 41,089,125 |
| 2011 | $304,842,958 | 49,978,128 | 49,978,128 |
Note: Quantity represents Weight in kilograms
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