Year	Kilowatt-hours
1985	8865.4705
1986	9223.32873
1987	9312.28478
1988	9612.60689
1989	10055.16631
1990	8800.1848
1991	5295.57721
1992	8808.59857
1993	11354.21749
1994	13703.68501
1995	14729.44791
1996	15612.16861
1997	15579.6548
1998	16328.01537
1999	16134.35623
2000	15761.61982
2001	16260.42084
2002	16961.2092
2003	18349.39362
2004	18685.29882
2005	19210.0317
2006	20026.01316
2007	19474.6366
2008	19510.69622
2009	18878.73416
2010	19039.83312
2011	18005.66647
2012	18452.0591
2013	16947.04708
2014	17222.17082
2015	17351.51789
2016	17555.95936