Year	including construction (constant 2015 US$)
1991	2655.5661250940816
1992	2554.6498605005036
1993	2679.312900839228
1994	2494.8398553056413
1995	2541.4452655951786
1996	2887.4250208994845
1997	2901.176678507352
1998	3069.103964014733
1999	3345.388776477228
2000	4820.124442417691
2001	5074.583589929294
2002	5816.883923081997
2003	5577.922786407988
2004	5922.148087172814
2005	6204.572388487973
2006	6793.153770982745
2007	7869.0788001217625
2008	7566.704862526041
2009	7308.703296071601
2010	7652.018553848475
2011	7321.874236009924
2012	6169.971221110457
2013	6234.923083948001
2014	6333.585617536313
2015	6252.360853620452
2016	6122.684372626162
2017	6021.2132010824025
2018	5808.867308897439
2019	5738.645497263709
2020	5362.737857053169
2021	5080.565689138883
2022	4776.479059596287