Year	including construction (constant 2015 US$)
1991	3030.0649866401486
1992	3031.6065523150896
1993	3092.1035598492285
1994	3266.6156663170736
1995	3470.443120784176
1996	3507.9672634984345
1997	3504.3636637783557
1998	3470.696217246833
1999	3469.439016348346
2000	3525.0116854821595
2001	3495.2480405193414
2002	3645.1211801691406
2003	3740.2487615364166
2004	3935.236010702548
2005	4160.566289714523
2006	4462.543400456403
2007	4526.839131515171
2008	4468.802400517268
2009	4553.965441557899
2010	4593.670021547416
2011	4486.19453687785
2012	4378.300234738499
2013	4457.08417599918
2014	4670.083631667785
2015	5022.492990707867
2016	5295.3352370977045
2017	5517.550283834298
2018	5722.725095539769
2019	5546.295605541088
2020	5965.678480915574
2021	6210.6879976247255
2022	5642.268205862243