Year	kWh
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	27000000
1985	30000000
1986	24000000
1987	23000000
1988	22000000
1989	4000000
1990	17000000
1991	24000000
1992	46000000
1993	39000000
1994	45000000
1995	56000000
1996	50000000
1997	53000000
1998	60000000
1999	65000000
2000	65000000
2001	71000000
2002	43000000
2003	165000000
2004	731000000
2005	1668000000
2006	1307000000
2007	1673000000
2008	2144000000
2009	2667000000
2010	2832000000
2011	2486000000
2012	2433000000
2013	2575000000
2014	2839000000
2015	2977000000