Year	kWh
1971	2004000000
1972	1970000000
1973	2319000000
1974	2713000000
1975	3247000000
1976	3785000000
1977	4111000000
1978	4516000000
1979	5211000000
1980	5096000000
1981	5542000000
1982	6486000000
1983	7328000000
1984	7223000000
1985	7399000000
1986	9228000000
1987	10714000000
1988	10868000000
1989	11229000000
1990	12337000000
1991	14174000000
1992	16719000000
1993	16639000000
1994	16927000000
1995	17625000000
1996	18350000000
1997	18831000000
1998	18983000000
1999	20297000000
2000	20905000000
2001	22709000000
2002	24313000000
2003	27016000000
2004	28529000000
2005	31268000000
2006	32041000000
2007	37280000000
2008	37489000000
2009	41173000000
2010	54992000000
2011	56813000000
2012	65989000000
2013	75788000000
2014	91178000000
2015	108089000000