|
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,440,456,938 | 24,664 | 24,664 |
| 2006 | $2,784,231,792 | 24,850 | 24,850 |
| 2007 | $3,344,265,371 | 23,785 | 23,785 |
| 2008 | $4,439,695,462 | 41,267 | 41,267 |
| 2009 | $3,924,783,226 | 37,844 | 37,844 |
| 2010 | $6,730,379,165 | 91,377 | 91,377 |
| 2011 | $9,082,584,196 | 95,826 | 95,826 |
Note: Quantity represents Weight in kilograms
|
|