YearTrade ValueWeight (kg)Quantity
2005$4,859,208062,576
2006$4,855,43700
2007$8,695,9220260,723
2008$10,869,8380203,075
2009$13,172,36908,406
2010$12,505,0280228,194
Note: Quantity represents Electrical energy in thousands of kilowatt-hours