|
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $803,751,414 | 37 | 11,817,401 |
| 2006 | $819,222,529 | 0 | 11,680,807 |
| 2007 | $477,699,287 | 0 | 8,663,752 |
| 2008 | $891,867,519 | 0 | 7,364,863 |
| 2009 | $404,507,801 | 0 | 6,935,878 |
| 2010 | $503,488,386 | 0 | 7,617,503 |
| 2011 | $513,029,761 | 0 | 6,652,854 |
Note: Quantity represents Electrical energy in thousands of kilowatt-hours
|
|
