Fossil fuel comprises coal, oil, petroleum, and natural gas products.
| Data | Valor | Modificar, % |
|---|---|---|
| 2014 | 100,0 | -0,04% |
| 2013 | 100,0 | 0,00% |
| 2011 | 100,0 | 0,00% |
| 2010 | 100,0 | 0,00% |
| 2009 | 100,0 | 0,00% |
| 2008 | 100,0 | 0,00% |
| 2007 | 100,0 | 1,00% |
| 2004 | 99,0 | 0,89% |
| 2003 | 98,1 | -1,86% |
| 2002 | 100,0 | 0,00% |
| 2001 | 100,0 | 0,00% |
| 2000 | 100,0 |