Fossil fuel comprises coal, oil, petroleum, and natural gas products.
| तिथि | मान | बदले , % |
|---|---|---|
| 2015 | 93.0 | -1.46% |
| 2014 | 94.4 | -0.24% |
| 2013 | 94.6 | 0.01% |
| 2012 | 94.6 | 5.41% |
| 2011 | 89.8 | 10.94% |
| 2010 | 80.9 | -0.39% |
| 2009 | 81.2 | -2.39% |
| 2008 | 83.2 | -0.32% |
| 2007 | 83.5 | 2.49% |
| 2006 | 81.5 | -0.19% |
| 2005 | 81.6 | -1.32% |
| 2004 | 82.7 |