Year	Kilowatt-hours
1985	4338.9294
1986	4602.02299
1987	4661.82907
1988	4714.62169
1989	4915.10496
1990	4803.86554
1991	4930.92411
1992	5092.42402
1993	5042.70171
1994	5184.22655
1995	5240.74094
1996	5476.61784
1997	5535.3798
1998	5778.1684
1999	5473.07468
2000	5615.02853
2001	5883.33932
2002	5953.56217
2003	5968.47679
2004	6184.00408
2005	6135.45736
2006	6011.78013
2007	6370.60903
2008	6530.37221
2009	6826.27685
2010	7082.09482
2011	6749.71539
2012	6105.15337
2013	5990.60589
2014	6119.83074
2015	6472.23818
2016	6750.91377