Year	kWh
1960	2157000000
1961	2365000000
1962	2420000000
1963	2628000000
1964	2658000000
1965	2883000000
1966	3941000000
1967	4272000000
1968	4771000000
1969	5159000000
1970	7908000000
1971	8120000000
1972	7833000000
1973	8132000000
1974	6622000000
1975	7244000000
1976	7259000000
1977	7511000000
1978	8087000000
1979	8132000000
1980	9875000000
1981	9790000000
1982	8604000000
1983	8452000000
1984	8769000000
1985	9507000000
1986	10301000000
1987	10092000000
1988	10730000000
1989	10542000000
1990	15423000000
1991	16229000000
1992	17053000000
1993	18689000000
1994	20202000000
1995	22686000000
1996	23334000000
1997	28369000000
1998	33861000000
1999	37272000000
2000	45903000000
2001	51790000000
2002	64815000000
2003	77930000000
2004	96330000000
2005	113365000000
2006	133336000000
2007	159665000000
2008	183099000000
2009	205239000000
2010	236871000000
2011	283885000000
2012	333244000000
2013	367773000000
2014	386341000000
2015	426101000000