Clean energy is noncarbohydrate energy that does not produce carbon dioxide when generated. It includes hydropower and nuclear, geothermal, and solar power, among others.
| Data | Valor | Modificar, % |
|---|---|---|
| 2014 | 2,0 | -18,26% |
| 2013 | 2,4 | 7,24% |
| 2012 | 2,3 | -14,16% |
| 2011 | 2,6 | -1,01% |
| 2010 | 2,7 | -15,71% |
| 2009 | 3,1 | -5,23% |
| 2008 | 3,3 | 2,13% |
| 2007 | 3,3 | 31,61% |
| 2006 | 2,5 | -13,06% |
| 2005 | 2,8 | -16,65% |
| 2004 | 3,4 | 8,54% |
| 2003 | 3,1 |