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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $166,419,642 | 186,810,063 | 186,810,063 |
| 2006 | $104,404,157 | 97,084,696 | 97,084,696 |
| 2007 | $81,395,846 | 72,229,980 | 72,229,980 |
| 2008 | $93,638,470 | 74,310,525 | 74,310,525 |
| 2009 | $172,079,730 | 185,234,954 | 185,234,954 |
| 2010 | $235,492,308 | 237,720,497 | 237,720,497 |
| 2011 | $295,093,950 | 196,512,867 | 196,512,867 |
Note: Quantity represents Weight in kilograms
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