|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $73,459,450 | $122,121,205 | $119,154,327 | $31,036,035 | $10,271,268 | $14,890,828 | $5,045,145 |
| Total | $73,459,450 | $122,121,205 | $119,154,327 | $31,036,035 | $10,271,268 | $14,890,828 | $5,045,145 |
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