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 | 14,8 | 11,87 % |
| 2013 | 13,2 | 40,79 % |
| 2012 | 9,4 | -18,86 % |
| 2011 | 11,5 | -25,32 % |
| 2010 | 15,5 | 41,39 % |
| 2009 | 10,9 | 21,56 % |
| 2008 | 9,0 | -51,07 % |
| 2007 | 18,4 | 46,39 % |
| 2006 | 12,6 | -23,57 % |
| 2005 | 16,4 | 8,15 % |
| 2004 | 15,2 | -27,56 % |
| 2003 | 21,0 |