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	98000000
1979	287000000
1980	173000000
1981	436000000
1982	390000000
1983	396000000
1984	369000000
1985	365000000
1986	458000000
1987	511000000
1988	513000000
1989	529000000
1990	441000000
1991	440000000
1992	485000000
1993	482000000
1994	558000000
1995	580000000
1996	623000000
1997	683000000
1998	707000000
1999	771000000
2000	857000000
2001	899000000
2002	936000000
2003	971000000
2004	1003000000
2005	1054000000
2006	1182000000
2007	1229000000
2008	1289000000
2009	1310000000
2010	1410000000
2011	1628000000
2012	1926000000
2013	2217000000
2014	2634000000
2015	2853000000