Year	kWh
1960	2167000000
1961	2376000000
1962	2438000000
1963	2642000000
1964	2674000000
1965	2909000000
1966	3979000000
1967	4316000000
1968	4818000000
1969	5243000000
1970	8097000000
1971	8381000000
1972	8244000000
1973	8754000000
1974	7214000000
1975	7765000000
1976	7796000000
1977	8136000000
1978	8628000000
1979	8725000000
1980	10855000000
1981	10991000000
1982	9894000000
1983	10324000000
1984	11060000000
1985	11829000000
1986	12856000000
1987	12508000000
1988	13264000000
1989	13397000000
1990	18252000000
1991	19251000000
1992	20583000000
1993	22769000000
1994	24637000000
1995	27499000000
1996	28141000000
1997	34986000000
1998	41748000000
1999	45624000000
2000	56819000000
2001	62921000000
2002	77397000000
2003	92421000000
2004	116470000000
2005	135684000000
2006	156442000000
2007	187411000000
2008	214041000000
2009	240776000000
2010	280215000000
2011	337112000000
2012	396039000000
2013	437523000000
2014	466091000000
2015	517425000000