Year	kWh
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	0
1986	0
1987	0
1988	0
1989	0
1990	68000000
1991	75000000
1992	131000000
1993	143000000
1994	505000000
1995	3085000000
1996	1640000000
1997	2939000000
1998	2864000000
1999	3031000000
2000	3174000000
2001	3334000000
2002	3467000000
2003	3640000000
2004	3936000000
2005	7434000000
2006	11096000000
2007	15647000000
2008	29803000000
2009	48011000000
2010	70255000000
2011	100573000000
2012	132470000000
2013	193807000000
2014	229840000000
2015	283851000000