Year	kWh
1960	41000000
1961	44000000
1962	45000000
1963	63000000
1964	97000000
1965	100000000
1966	122000000
1967	173000000
1968	179000000
1969	178000000
1970	166000000
1971	162000000
1972	175000000
1973	197000000
1974	207000000
1975	220000000
1976	161000000
1977	218000000
1978	137000000
1979	145000000
1980	136000000
1981	110000000
1982	0
1983	0
1984	22000000
1985	6000000
1986	44000000
1987	58000000
1988	69000000
1989	63000000
1990	145000000
1991	184000000
1992	180000000
1993	194000000
1994	191000000
1995	367000000
1996	317000000
1997	434000000
1998	392000000
1999	298000000
2000	363000000
2001	469000000
2002	484000000
2003	635000000
2004	714000000
2005	689000000
2006	848000000
2007	1503000000
2008	2128000000
2009	3181000000
2010	5525000000
2011	7694000000
2012	10851000000
2013	14681000000
2014	17567000000
2015	22967000000