Year	Kilowatt-hours
1985	6728.62937
1986	6953.61072
1987	7220.18609
1988	7296.16724
1989	7328.58611
1990	7333.76376
1991	7214.46632
1992	6796.207
1993	6440.6869
1994	5905.18864
1995	5813.65399
1996	5720.11585
1997	5643.96829
1998	5605.20009
1999	5759.60737
2000	5996.04441
2001	6112.54556
2002	6138.43951
2003	6308.27488
2004	6469.52371
2005	6643.30913
2006	6922.13018
2007	7116.3045
2008	7268.49899
2009	6940.25306
2010	7234.87257
2011	7330.52329
2012	7419.43641
2013	7316.99351
2014	7364.28667
2015	7390.47016
2016	7551.16645