Year	Kilowatt-hours
1985	6200.28181
1986	6502.70694
1987	6744.72679
1988	6950.17592
1989	7167.61445
1990	7362.25162
1991	7948.2576
1992	8049.81493
1993	8165.92726
1994	8204.4245
1995	8464.19713
1996	8757.6534
1997	8569.96094
1998	8639.29334
1999	8825.76464
2000	9067.87977
2001	9172.56745
2002	9287.16138
2003	9287.35094
2004	9404.85976
2005	9395.93918
2006	9335.65637
2007	9203.86146
2008	9222.91021
2009	8658.34206
2010	9111.21216
2011	8947.86854
2012	8879.02463
2013	8965.75007
2014	8750.34144
2015	8823.52927
2016	8549.97065