Year	including construction (constant 2015 US$)
1991	2957.5608159529284
1992	3008.3323856192496
1993	3095.967622186417
1994	3254.0618697606997
1995	3446.9207741235564
1996	3494.5676703956847
1997	3493.507720860869
1998	3490.2380087069632
1999	3493.9661861544337
2000	3533.854885910644
2001	3502.0762388230874
2002	3603.657499028955
2003	3674.964262581191
2004	3893.9603904524643
2005	4100.139023546948
2006	4354.317121922123
2007	4433.007453828204
2008	4441.025474711294
2009	4461.520254705252
2010	4488.798426870262
2011	4427.245592556159
2012	4350.63076676501
2013	4392.8596393744665
2014	4599.839021605191
2015	4894.461156298524
2016	5174.2745939971965
2017	5380.356729017673
2018	5588.857361569131
2019	5478.188371067747
2020	5751.190391140382
2021	5965.581744577928
2022	5566.768891134544