Year	including construction (constant 2010 US$)
1991	5805.54098665399
1992	4959.37576596544
1993	4087.74822379526
1994	2826.83937281926
1995	2849.67409884696
1996	3349.00936663708
1997	4255.02163078254
1998	4298.09770061856
1999	4536.31170553461
2000	5341.21598244989
2001	5557.40871682312
2002	4497.7570858764
2003	3861.05018627963
2004	3280.17912724729
2005	2824.52374413552
2006	2313.12273404545
2007	2421.30978310841
2008	2703.9018180069
2009	2651.18131895118
2010	2677.65894794276
2011	2788.78962781904
2012	2413.07018876937
2013	3399.34839552391
2014	3499.34489243825
2015	3447.48326632294
2016	3474.09432287895
2017	3692.34903056615
2018	3869.80267993944