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, % |
|---|---|---|
| 2015 | 12,2 | -7,53% |
| 2014 | 13,2 | 7,39% |
| 2013 | 12,3 | 2,86% |
| 2012 | 12,0 | 17,15% |
| 2011 | 10,2 | 1,51% |
| 2010 | 10,1 | -8,37% |
| 2009 | 11,0 | 4,33% |
| 2008 | 10,5 | -0,40% |
| 2007 | 10,6 | 6,56% |
| 2006 | 9,9 | 5,88% |
| 2005 | 9,4 | -2,25% |
| 2004 | 9,6 |