Year	kWh
1971	76000000
1972	75000000
1973	75000000
1974	78000000
1975	78000000
1976	82000000
1977	80000000
1978	80000000
1979	84000000
1980	75000000
1981	75000000
1982	84000000
1983	93000000
1984	133000000
1985	50000000
1986	50000000
1987	52000000
1988	28000000
1989	25000000
1990	25000000
1991	25000000
1992	26000000
1993	35000000
1994	45000000
1995	41000000
1996	40000000
1997	48000000
1998	30000000
1999	28000000
2000	32000000
2001	32000000
2002	24000000
2003	23000000
2004	26000000
2005	22000000
2006	22000000
2007	22000000
2008	22000000
2009	22000000
2010	22000000
2011	56000000
2012	263000000
2013	707000000
2014	772000000
2015	972000000