Year	kWh
1960	51000000
1961	55000000
1962	63000000
1963	77000000
1964	113000000
1965	126000000
1966	160000000
1967	217000000
1968	226000000
1969	262000000
1970	225000000
1971	263000000
1972	360000000
1973	420000000
1974	442000000
1975	431000000
1976	344000000
1977	483000000
1978	399000000
1979	385000000
1980	384000000
1981	379000000
1982	269000000
1983	362000000
1984	367000000
1985	403000000
1986	412000000
1987	251000000
1988	163000000
1989	166000000
1990	211000000
1991	277000000
1992	299000000
1993	275000000
1994	248000000
1995	444000000
1996	459000000
1997	617000000
1998	636000000
1999	504000000
2000	590000000
2001	927000000
2002	975000000
2003	1217000000
2004	1849000000
2005	2365000000
2006	3131000000
2007	4662000000
2008	6674000000
2009	9582000000
2010	14082000000
2011	20343000000
2012	28978000000
2013	35154000000
2014	44479000000
2015	54506000000