Year	kWh
1971	817000000
1972	645000000
1973	719000000
1974	736000000
1975	756000000
1976	773000000
1977	836000000
1978	956000000
1979	958000000
1980	954000000
1981	975000000
1982	1046000000
1983	1085000000
1984	1125000000
1985	1131000000
1986	1185000000
1987	1205000000
1988	1317000000
1989	1280000000
1990	1449000000
1991	1264000000
1992	1337000000
1993	887000000
1994	897000000
1995	690000000
1996	922000000
1997	870000000
1998	779000000
1999	881000000
2000	944000000
2001	930000000
2002	939000000
2003	720000000
2004	789000000
2005	420000000
2006	406000000
2007	416000000
2008	564000000
2009	545000000
2010	467000000
2011	474000000
2012	573000000
2013	706000000
2014	674000000
2015	753000000