Year	including construction (constant 2010 US$)
1991	2916.16458193338
1992	2930.85652453579
1993	3025.67698782777
1994	3206.58809194706
1995	3461.69113380529
1996	3572.21816135874
1997	3603.67176294339
1998	3641.71946595568
1999	3735.41320442969
2000	3853.77187437036
2001	3778.67377197788
2002	3866.19846625356
2003	3928.59318176172
2004	4011.79409935776
2005	4150.86555383219
2006	4500.19788749128
2007	4634.2862150662
2008	4671.90384620469
2009	4923.80708541804
2010	5105.18471837545
2011	5030.10130242549
2012	5016.08836165698
2013	5114.02441335763
2014	5364.85637905277
2015	5788.67730913664
2016	6143.09635612683
2017	6350.57964344438
2018	6684.16599406439