Commodity2005200620072008200920102011
Electrical energy (optional heading)$5,340,455$8,713,608$12,254,751$3,685,534$1,926,702$5,605,781$9,463,950
Total$5,340,455$8,713,608$12,254,751$3,685,534$1,926,702$5,605,781$9,463,950