Year	including construction (constant 2010 US$)
1991	2740.23578635211
1992	2803.64234064796
1993	2909.56465680364
1994	3080.10251771003
1995	3306.38536538363
1996	3415.77372274852
1997	3424.89077228858
1998	3463.12680650782
1999	3538.39773173045
2000	3627.84623409402
2001	3569.27379126008
2002	3627.07324814118
2003	3677.95844543109
2004	3780.92278627285
2005	3924.84746798857
2006	4213.66184485783
2007	4340.25487797385
2008	4405.51933623769
2009	4558.79726002836
2010	4695.05798040623
2011	4655.12431334987
2012	4649.30823647393
2013	4721.03295284863
2014	4927.73305380508
2015	5245.31640910265
2016	5551.07989343818
2017	5725.87391937589
2018	6013.6242100567