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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $787,047,447 | 38,743,211 | 38,743,211 |
| 2006 | $872,375,942 | 39,977,258 | 39,977,258 |
| 2007 | $959,911,191 | 59,107,300 | 59,107,300 |
| 2008 | $1,075,571,152 | 68,973,472 | 68,973,472 |
| 2009 | $1,160,641,399 | 61,009,576 | 61,009,576 |
| 2010 | $1,229,311,845 | 43,685,096 | 43,685,096 |
| 2011 | $1,330,436,624 | 41,989,844 | 41,989,844 |
Note: Quantity represents Weight in kilograms
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