Year	kWh
1971	163000000
1972	165000000
1973	170000000
1974	175000000
1975	172000000
1976	185000000
1977	189000000
1978	195000000
1979	201000000
1980	207000000
1981	217000000
1982	237000000
1983	231000000
1984	234000000
1985	269000000
1986	659000000
1987	658000000
1988	626000000
1989	617000000
1990	732000000
1991	738000000
1992	730000000
1993	715000000
1994	600000000
1995	745000000
1996	854000000
1997	940000000
1998	1146000000
1999	1079000000
2000	1361000000
2001	1460000000
2002	1298000000
2003	1690000000
2004	2064000000
2005	2043000000
2006	2799000000
2007	2226000000
2008	2442000000
2009	2676000000
2010	2914000000
2011	2981000000
2012	3254000000
2013	3891000000
2014	7920000000
2015	11206000000