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 | -2,40 % |
| 2013 | 1,2 | -23,67 % |
| 2012 | 1,6 | 22,40 % |
| 2011 | 1,3 | 15,26 % |
| 2010 | 1,2 | -14,49 % |
| 2009 | 1,3 | -3,44 % |
| 2008 | 1,4 | 1,63 % |
| 2007 | 1,4 | -24,01 % |
| 2006 | 1,8 | 3,43 % |
| 2005 | 1,7 | -21,33 % |
| 2004 | 2,2 | -14,47 % |
| 2003 | 2,6 |