Year	kWh
1960	0
1961	0
1962	0
1963	0
1964	0
1965	0
1966	0
1967	0
1968	0
1969	0
1970	0
1971	0
1972	0
1973	0
1974	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	5000000
1986	26000000
1987	21000000
1988	27000000
1989	29000000
1990	213000000
1991	209000000
1992	227000000
1993	250000000
1994	279000000
1995	299000000
1996	312000000
1997	252000000
1998	281000000
1999	298000000
2000	287000000
2001	282000000
2002	325000000
2003	548000000
2004	611000000
2005	832000000
2006	1024000000
2007	1278000000
2008	1310000000
2009	1204000000
2010	1229000000
2011	1650000000
2012	1905000000
2013	2216000000
2014	2475000000
2015	2712000000