YearTrade ValueWeight (kg)Quantity
2005$518,795,8209,6418,039,365
2006$278,944,52160,4850
2007$484,780,92808,857,004
2008$1,309,524,613014,388,964
2009$580,213,323010,639,352
2010$484,679,060010,112,134
Note: Quantity represents Electrical energy in thousands of kilowatt-hours