Year	kWh
1971	126000000
1972	127000000
1973	132000000
1974	136000000
1975	133000000
1976	146000000
1977	149000000
1978	155000000
1979	161000000
1980	167000000
1981	177000000
1982	195000000
1983	189000000
1984	192000000
1985	227000000
1986	617000000
1987	615000000
1988	583000000
1989	574000000
1990	685000000
1991	686000000
1992	677000000
1993	662000000
1994	546000000
1995	690000000
1996	800000000
1997	885000000
1998	1090000000
1999	1022000000
2000	1301000000
2001	1390000000
2002	1220000000
2003	1624000000
2004	1902000000
2005	1866000000
2006	1972000000
2007	1972000000
2008	2188000000
2009	2463000000
2010	2692000000
2011	2762000000
2012	3058000000
2013	3669000000
2014	7687000000
2015	10926000000