Year	kWh
1960	0
1961	0
1962	0
1963	0
1964	0
1965	0
1966	0
1967	0
1968	0
1969	0
1970	180000000
1971	233000000
1972	211000000
1973	202000000
1974	213000000
1975	218000000
1976	254000000
1977	273000000
1978	302000000
1979	331000000
1980	324000000
1981	500000000
1982	475000000
1983	559000000
1984	805000000
1985	934000000
1986	1278000000
1987	902000000
1988	1047000000
1989	1104000000
1990	1126000000
1991	1206000000
1992	1306000000
1993	1343000000
1994	1188000000
1995	1837000000
1996	1574000000
1997	1714000000
1998	1868000000
1999	1649000000
2000	1599000000
2001	1777000000
2002	1668000000
2003	2098000000
2004	3010000000
2005	3936000000
2006	5151000000
2007	6236000000
2008	6344000000
2009	6281000000
2010	6617000000
2011	6627000000
2012	7404000000
2013	8322000000
2014	8934000000
2015	10187000000