Year	including construction (constant 2015 US$)
1991	10017.04765744135
1992	11024.44194154212
1993	10841.925068293547
1994	11176.547584399528
1995	11516.729808261807
1996	10189.015831868563
1997	11506.91712927547
1998	13695.278507675903
1999	13625.921211227022
2000	11760.400271833465
2001	10830.839978351374
2002	10714.042639026358
2003	12812.309171514893
2004	14676.520059572162
2005	10532.900592215261
2006	12133.251696050147
2007	10969.817145858118
2008	13160.478281929323
2009	13375.830228747665
2010	13555.435527920927
2011	14008.28909747765
2012	13844.768680083489
2013	14099.080523702652
2014	14137.967942326974
2015	15071.791416867803
2016	15096.681527726347
2017	15669.235767250064
2018	16281.827433251263
2019	16169.984335009569
2020	20526.42753543092
2021	17681.83999064324
2022	15659.825464926247