Year	kWh
1960	51000000
1961	55000000
1962	63000000
1963	77000000
1964	113000000
1965	126000000
1966	160000000
1967	217000000
1968	226000000
1969	262000000
1970	225000000
1971	1565000000
1972	1790000000
1973	2115000000
1974	2509000000
1975	3006000000
1976	3465000000
1977	3882000000
1978	4104000000
1979	5427000000
1980	6762000000
1981	8279000000
1982	9952000000
1983	11997000000
1984	12081000000
1985	12827000000
1986	14440000000
1987	15583000000
1988	16181000000
1989	16832000000
1990	18985000000
1991	20867000000
1992	24192000000
1993	24583000000
1994	26858000000
1995	31356000000
1996	31875000000
1997	34520000000
1998	36161000000
1999	41038000000
2000	45447000000
2001	50148000000
2002	53035000000
2003	58071000000
2004	63481000000
2005	72570000000
2006	82471000000
2007	99820000000
2008	123891000000
2009	159814000000
2010	203150000000
2011	253205000000
2012	313215000000
2013	402257000000
2014	478075000000
2015	575837000000