Year	including construction (constant 2010 US$)
1991	5986.60376906603
1992	5945.46473224732
1993	5689.97086747778
1994	5380.44173630845
1995	5295.21560334609
1996	5409.18763855061
1997	5341.86113826743
1998	5314.6139990939
1999	5191.65586848121
2000	5007.66391259595
2001	5046.5685100651
2002	4996.73711248518
2003	5171.81224925598
2004	5248.05804106704
2005	5342.28765309582
2006	5253.42739283859
2007	5254.07512417073
2008	5360.26544372604
2009	5283.72710951959
2010	5378.89302269443
2011	5452.95085353964
2012	5352.19339963132
2013	5445.9837410852
2014	5570.73394162644
2015	5403.42222538279
2016	5370.24288080868
2017	5495.96796598227
2018	5619.95326005202