Year	kWh
1971	160000000
1972	164000000
1973	166000000
1974	175000000
1975	181000000
1976	188000000
1977	192000000
1978	198000000
1979	201000000
1980	210000000
1981	215000000
1982	224000000
1983	298000000
1984	511000000
1985	548000000
1986	884000000
1987	852000000
1988	852000000
1989	1048000000
1990	1079000000
1991	1136000000
1992	1109000000
1993	1043000000
1994	891000000
1995	994000000
1996	998000000
1997	984000000
1998	923000000
1999	777000000
2000	911000000
2001	980000000
2002	952000000
2003	1466000000
2004	1868000000
2005	2070000000
2006	2856000000
2007	2274000000
2008	2525000000
2009	2827000000
2010	3066000000
2011	3793000000
2012	4764000000
2013	6306000000
2014	9050000000
2015	10364000000