Year	including construction (constant 2015 US$)
1991	6653.244302896083
1992	6799.143850176696
1993	7076.034505826598
1994	7346.845921787247
1995	7557.532167204948
1996	7866.543729422823
1997	8186.915426519592
1998	8320.441955565208
1999	8595.153507407738
2000	8966.429743461584
2001	9098.501744357576
2002	9607.215989034341
2003	10060.05632176542
2004	10464.146392991095
2005	10745.928016782222
2006	11260.349555656256
2007	11674.11769491021
2008	12084.550658600472
2009	12221.119270185929
2010	12861.719022224712
2011	13292.402552411882
2012	13546.02968698768
2013	14104.148515340477
2014	14607.96372996359
2015	15196.322999567697
2016	15685.150384471755
2017	16186.837038651294
2018	16566.02639352563
2019	16777.907268073002
2020	17128.2481655093
2021	17612.954289733578
2022	17623.730685994637