Year	including construction (constant 2015 US$)
1991	5085.944338908076
1992	5153.534823081886
1993	5101.910039171204
1994	5131.187886332395
1995	5261.346552145988
1996	5313.697576143388
1997	5337.977709021276
1998	5331.902102658542
1999	5259.428766786594
2000	5249.325137002525
2001	5249.050573888722
2002	5425.1353697890845
2003	5494.72938105054
2004	5663.592663180729
2005	5825.894731319226
2006	6029.568774038908
2007	6101.806574010026
2008	6140.804219243194
2009	6098.317341283378
2010	6152.3778447551995
2011	6169.977184623139
2012	6130.452178197288
2013	6199.090045210592
2014	6372.035271954075
2015	6594.72589552263
2016	6762.142540237008
2017	6967.269195748094
2018	7160.889710554097
2019	7117.1699833549865
2020	7220.489603562594
2021	7266.142511838481
2022	6973.444611285746