Year	Kilowatt-hours
1985	3606.28759
1986	3948.55431
1987	4306.10274
1988	4547.13103
1989	4801.18248
1990	5009.11621
1991	5447.30452
1992	5925.71169
1993	6007.8334
1994	4416.2874
1995	4546.50502
1996	4556.37067
1997	4553.3134
1998	4809.20431
1999	4482.97182
2000	4701.4746
2001	4824.08864
2002	5076.12186
2003	5234.88807
2004	5458.06256
2005	5631.12856
2006	5628.26294
2007	5645.94934
2008	5473.80864
2009	5545.82436
2010	5450.64703
2011	5523.21282
2012	5453.11345
2013	5464.44877
2014	5532.37215
2015	5241.31482
2016	5231.52422