Year | NG | LPG | Electric |
---|---|---|---|
2005 | 0.46 | 2.57 | 0.02 |
2006 | 0.48 | 2.81 | 0.01 |
2007 | 0.51 | 3.06 | 0.01 |
2008 | 0.56 | 3.38 | 0.01 |
2009 | 0.62 | 3.71 | 0 |
2010 | 0.65 | 4.02 | 0 |
2011 | 0.76 | 4.22 | 0.01 |
2012 | 0.88 | 4.4 | 0.02 |
2013 | 1.06 | 4.16 | 0.03 |
2014 | 1.19 | 4.19 | 0.07 |
2015 | 1.31 | 4.22 | 0.11 |