Year	including construction (constant 2015 US$)
1991	5946.181507398921
1992	5415.8663544829415
1993	5051.499085181033
1994	4775.409115248612
1995	4587.3303587706905
1996	4659.43212108056
1997	4645.100702380537
1998	4694.179835584682
1999	4763.376206921242
2000	4890.660014887736
2001	4866.335332866356
2002	4902.068203081811
2003	4844.706957946202
2004	5063.143423362748
2005	5148.506912019736
2006	5269.265853310842
2007	5286.32465334557
2008	5451.726347381455
2009	5398.398536868938
2010	5495.913972451468
2011	5692.104705285707
2012	5684.524266511118
2013	5825.028308835537
2014	5750.69718157998
2015	5823.650764436856
2016	5932.456750984757
2017	6173.949305962681
2018	6409.759611942412
2019	6600.4828937883285
2020	6510.403933455061
2021	6556.180135008845
2022	6634.163387922719
