Fossil fuel comprises coal, oil, petroleum, and natural gas products.
| तिथि | मान | बदले , % |
|---|---|---|
| 2015 | 90.4 | 0.16% |
| 2014 | 90.3 | -0.32% |
| 2013 | 90.6 | -0.53% |
| 2012 | 91.1 | 0.65% |
| 2011 | 90.5 | -0.03% |
| 2010 | 90.5 | -0.09% |
| 2009 | 90.6 | 0.99% |
| 2008 | 89.7 | 0.89% |
| 2007 | 88.9 | -0.23% |
| 2006 | 89.1 | 0.53% |
| 2005 | 88.6 | -0.14% |
| 2004 | 88.8 |