Fossil fuel comprises coal, oil, petroleum, and natural gas products.
| तिथि | मान | बदले , % |
|---|---|---|
| 2014 | 59.1 | 1.88% |
| 2013 | 58.0 | 2.60% |
| 2012 | 56.5 | 3.63% |
| 2011 | 54.6 | 2.02% |
| 2010 | 53.5 | 4.23% |
| 2009 | 51.3 | -2.38% |
| 2008 | 52.6 | -0.17% |
| 2007 | 52.7 | -1.43% |
| 2006 | 53.4 | -1.53% |
| 2005 | 54.3 | -0.82% |
| 2004 | 54.7 | 0.10% |
| 2003 | 54.6 |