Year	including construction (constant 2015 US$)
1991	4177.767110010443
1992	3987.8236895775226
1993	3800.7664258009277
1994	3404.0350306414502
1995	3188.9899612262066
1996	3651.400010188232
1997	3975.811923308409
1998	4290.983143449186
1999	4584.023401630506
2000	4768.795358799912
2001	4941.8052992055555
2002	5227.114079725864
2003	5719.947673073402
2004	6700.088345816511
2005	7517.101512277824
2006	8474.476196540152
2007	9151.068604479931
2008	10405.353800196444
2009	10417.821528651539
2010	11638.171896689564
2011	12497.546114489325
2012	12787.100683367722
2013	12603.176161334153
2014	12868.370675186796
2015	12100.412533631248
2016	11554.479203039049
2017	12258.253624032443
2018	11731.315839467732
2019	11965.658528354454
2020	11914.618077789712
2021	12387.632751982977
2022	11679.556732448153