Year	kWh
1960	45000000
1961	54000000
1962	58000000
1963	75000000
1964	20000000
1965	207000000
1966	200000000
1967	192000000
1968	228000000
1969	280000000
1970	186000000
1971	143000000
1972	113000000
1973	200000000
1974	180000000
1975	236000000
1976	230000000
1977	234000000
1978	232000000
1979	258000000
1980	320000000
1981	311000000
1982	353000000
1983	405000000
1984	373000000
1985	548000000
1986	606000000
1987	614000000
1988	653000000
1989	663000000
1990	695000000
1991	815000000
1992	892000000
1993	917000000
1994	985000000
1995	1047000000
1996	1031000000
1997	1127000000
1998	1170000000
1999	1364000000
2000	1545000000
2001	1707000000
2002	1933000000
2003	1980000000
2004	2445000000
2005	3529000000
2006	4720000000
2007	6126000000
2008	7843000000
2009	10007000000
2010	12205000000
2011	12575000000
2012	13748000000
2013	15741000000
2014	15991000000
2015	15712000000