Fossil fuel comprises coal, oil, petroleum, and natural gas products.
| तिथि | मान | बदले , % |
|---|---|---|
| 2014 | 48.4 | 1.11% |
| 2013 | 47.9 | -1.17% |
| 2012 | 48.5 | 2.28% |
| 2011 | 47.4 | 1.99% |
| 2010 | 46.5 | -1.64% |
| 2009 | 47.2 | 5.86% |
| 2008 | 44.6 | -6.72% |
| 2007 | 47.8 | 7.99% |
| 2006 | 44.3 | 0.46% |
| 2005 | 44.1 | -1.00% |
| 2004 | 44.5 | -1.09% |
| 2003 | 45.0 |