Year	Kilowatt-hours
1985	5341.63088
1986	5338.81088
1987	5495.77718
1988	5788.90651
1989	5742.50715
1990	5800.13177
1991	5421.41178
1992	4912.73076
1993	4480.13622
1994	3967.19134
1995	3811.36273
1996	3592.35226
1997	3506.72257
1998	3455.37494
1999	3469.2078
2000	3460.27322
2001	3541.11124
2002	3620.91449
2003	3772.5492
2004	3858.86418
2005	3945.22215
2006	4121.29734
2007	4206.62499
2008	4150.35325
2009	3759.18402
2010	4103.29193
2011	4277.44179
2012	4385.51103
2013	4308.46986
2014	4072.99568
2015	3665.21306
2016	3683.95737