Year	kWh
1960	303000000
1961	303000000
1962	295000000
1963	301000000
1964	289000000
1965	296000000
1966	284000000
1967	290000000
1968	282000000
1969	281000000
1970	261000000
1971	263000000
1972	280000000
1973	338000000
1974	429000000
1975	489000000
1976	484000000
1977	429000000
1978	405000000
1979	418000000
1980	385000000
1981	404000000
1982	516000000
1983	431000000
1984	441000000
1985	456000000
1986	460000000
1987	470000000
1988	731000000
1989	810000000
1990	750000000
1991	769000000
1992	670000000
1993	681000000
1994	687000000
1995	746000000
1996	954000000
1997	995000000
1998	1065000000
1999	1195000000
2000	1230000000
2001	1599000000
2002	1997000000
2003	2345000000
2004	2573000000
2005	4794000000
2006	5716000000
2007	6674000000
2008	7817000000
2009	6800000000
2010	8256000000
2011	9718000000
2012	12573000000
2013	14939000000
2014	18622000000
2015	21044000000