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	2000000
2002	4000000
2003	7000000
2004	7000000
2005	9000000
2006	38000000
2007	160000000
2008	200000000
2009	260000000
2010	371000000
2011	632000000
2012	760000000
2013	1005000000
2014	1112000000
2015	1329000000