Year	Kilowatt-hours
1985	3257.8905
1986	3370.55726
1987	3527.27161
1988	3564.77845
1989	3690.04278
1990	3796.62059
1991	3885.04331
1992	3956.01334
1993	3893.11644
1994	4048.81162
1995	4217.6087
1996	4272.08474
1997	4397.3146
1998	4544.94921
1999	4646.03097
2000	4828.27778
2001	4851.63669
2002	4920.26515
2003	5053.91186
2004	5185.4267
2005	5163.71082
2006	5316.3625
2007	5292.21748
2008	5363.31443
2009	4906.62153
2010	5057.10658
2011	5063.09169
2012	5010.22586
2013	4856.87471
2014	4696.26354
2015	4755.79779
2016	4818.11036