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