Year	Kilowatt-hours
1985	3558.04956
1986	3596.43036
1987	3705.07747
1988	3868.51791
1989	4089.31373
1990	4188.15379
1991	4319.95371
1992	4385.11348
1993	4308.17055
1994	4314.64579
1995	4485.27867
1996	4707.15276
1997	5009.2745
1998	5107.13594
1999	5356.96803
2000	5672.59044
2001	5855.46475
2002	5873.92987
2003	6201.61494
2004	6482.10353
2005	6680.79964
2006	6771.74729
2007	6877.80272
2008	6910.32959
2009	6375.32363
2010	6475.93229
2011	6219.68368
2012	6350.33046
2013	6072.26678
2014	5991.81111
2015	6045.13193
2016	5920.05071