Year	kWh
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	0
2004	1000000
2005	1000000
2006	3000000
2007	15000000
2008	34000000
2009	61000000
2010	85000000
2011	96000000
2012	101000000
2013	128000000
2014	130000000
2015	171000000