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, % |
|---|---|---|
| 2013 | 9,7 | -0,45% |
| 2012 | 9,7 | 14,67% |
| 2011 | 8,5 | 4,17% |
| 2010 | 8,1 | 3,30% |
| 2009 | 7,9 | -3,08% |
| 2008 | 8,1 | -12,15% |
| 2007 | 9,3 | -3,39% |
| 2006 | 9,6 | 2,51% |
| 2005 | 9,3 | 0,38% |
| 2004 | 9,3 | 3,16% |
| 2003 | 9,0 | 2,37% |
| 2002 | 8,8 |