Year	Kilowatt-hours
1985	3386.84927
1986	3728.73035
1987	3893.67711
1988	3689.57959
1989	4045.88346
1990	3965.83465
1991	3932.244
1992	3359.10958
1993	3150.75164
1994	2550.60692
1995	2328.98589
1996	2355.77085
1997	2180.88436
1998	2133.46529
1999	1983.81956
2000	2201.66333
2001	2325.55082
2002	2322.55865
2003	2345.4913
2004	2547.09467
2005	2696.10261
2006	2837.77589
2007	3055.35553
2008	3039.04443
2009	3194.92008
2010	3282.74241
2011	3324.27468
2012	3378.99469
2013	3521.99486
2014	3677.11559
2015	3863.23501
2016	3986.72399