Year	kWh
1960	10000000
1961	11000000
1962	18000000
1963	14000000
1964	16000000
1965	26000000
1966	38000000
1967	44000000
1968	47000000
1969	84000000
1970	59000000
1971	101000000
1972	185000000
1973	223000000
1974	235000000
1975	211000000
1976	183000000
1977	265000000
1978	262000000
1979	240000000
1980	248000000
1981	269000000
1982	269000000
1983	362000000
1984	345000000
1985	397000000
1986	368000000
1987	193000000
1988	94000000
1989	103000000
1990	55000000
1991	83000000
1992	111000000
1993	61000000
1994	51000000
1995	68000000
1996	133000000
1997	171000000
1998	224000000
1999	197000000
2000	226000000
2001	458000000
2002	488000000
2003	579000000
2004	1125000000
2005	1646000000
2006	2249000000
2007	3078000000
2008	4456000000
2009	6303000000
2010	7968000000
2011	10806000000
2012	14842000000
2013	14628000000
2014	17660000000
2015	20851000000