Clean energy is noncarbohydrate energy that does not produce carbon dioxide when generated. It includes hydropower and nuclear, geothermal, and solar power, among others.
| Fecha | Valor | Cambiar , % |
|---|---|---|
| 2014 | 1,2 | 6,24 % |
| 2013 | 1,1 | 11,56 % |
| 2012 | 1,0 | 17,86 % |
| 2011 | 0,8 | 10,21 % |
| 2010 | 0,8 | 28,28 % |
| 2009 | 0,6 | 2,67 % |
| 2008 | 0,6 | 0,48 % |
| 2007 | 0,6 | 0,26 % |
| 2006 | 0,6 | 6,88 % |
| 2005 | 0,5 | 11,37 % |
| 2004 | 0,5 | 8,57 % |
| 2003 | 0,4 |