Year	including construction (constant 2015 US$)
1991	8133.097079967052
1992	7303.372007529767
1993	6654.553981836472
1994	6615.289968626217
1995	7771.9052043427755
1996	7667.130303602111
1997	7882.451583266922
1998	8400.415174544676
1999	8454.98669025583
2000	9217.42121901733
2001	10516.885273662807
2002	10156.65451802545
2003	12814.537009388932
2004	12979.297279110055
2005	14260.48352390229
2006	13714.150978136662
2007	14109.221135473352
2008	13035.105160896579
2009	12243.508671795038
2010	11796.775172598376
2011	11453.599834851946
2012	12270.994687267468
2013	12485.551553006646
2014	13600.006376779333
2015	15129.488571877497
2016	16260.234137048983
2017	15707.853134176761
2018	15557.533127169027
2019	14851.754994352976
2020	14979.544216903645
2021	14185.411074223483
2022	12576.007443573508