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 | 8,2 | 5,57 % |
| 2013 | 7,7 | 1,12 % |
| 2012 | 7,6 | -0,34 % |
| 2011 | 7,7 | -3,75 % |
| 2010 | 8,0 | -3,44 % |
| 2009 | 8,2 | 7,65 % |
| 2008 | 7,7 | -2,05 % |
| 2007 | 7,8 | 2,15 % |
| 2006 | 7,7 | 0,98 % |
| 2005 | 7,6 | 1,04 % |
| 2004 | 7,5 | -0,79 % |
| 2003 | 7,6 |