Commodity2005200620072008200920102011
Electrical energy (optional heading)$2,479,438,902$2,518,429,059$2,713,303,002$3,640,509,386$2,070,609,557$2,071,450,833$2,096,077,391
Total$2,479,438,902$2,518,429,059$2,713,303,002$3,640,509,386$2,070,609,557$2,071,450,833$2,096,077,391