Year	including construction (constant 2015 US$)
1991	6581.467822211972
1992	7192.631653950664
1993	6942.5281391404305
1994	6226.29584104699
1995	6474.76366174954
1996	6867.140830850932
1997	6869.941103609073
1998	6587.23313722936
1999	6858.45288191657
2000	6787.142646281592
2001	6636.784497743957
2002	6738.526055528733
2003	7091.100271584662
2004	6905.124295917476
2005	6829.154906270874
2006	7598.484107466972
2007	7829.857272320355
2008	7904.786786519269
2009	7330.003912354182
2010	7909.845885353892
2011	8018.837560294941
2012	7987.920633441009
2013	7863.793658610609
2014	6622.592721076968
2015	6706.380994906058
2016	6962.06172371283
2017	7172.327717827339
2018	7210.508080558687
2019	7108.928380184228
2020	6063.543425148208
2021	6605.243264064669
2022	6758.770980759933