Year	Kilowatt-hours
1985	4355.88928
1986	4652.78711
1987	4526.66391
1988	4393.37182
1989	4570.13399
1990	4941.33068
1991	4661.1235
1992	4433.6374
1993	4570.97846
1994	4794.4245
1995	4980.77377
1996	4783.84664
1997	4701.54719
1998	4824.98136
1999	5262.78932
2000	5770.84318
2001	5934.43785
2002	6004.82875
2003	5768.08473
2004	5656.71973
2005	5796.29829
2006	5784.34062
2007	5169.56553
2008	5428.74268
2009	4827.8757
2010	5129.25463
2011	5200.70161
2012	5241.39433
2013	5269.9198
2014	5016.52818
2015	4998.9723
2016	5042.4138