Year	including construction (constant 2015 US$)
1990	1583326818.99987
1991	1341691644.3612015
1992	1160400323.8275735
1993	1011378978.8475443
1994	925418959.6474435
1995	1036551367.2819737
1996	1048835080.3210454
1997	1081791912.4937654
1998	1116449788.9640324
1999	1167719994.899297
2000	1215177228.2281728
2001	1181862878.2592037
2002	1209296847.18583
2003	1330160934.0282435
2004	1365419792.4693818
2005	1471407218.109056
2006	1573599338.0560627
2007	1411268022.3493207
2008	1488720371.8552363
2009	1565704165.102798
2010	1693245178.6267557
2011	2041335622.9579399
2012	1938698374.565497
2013	2086855863.4570305
2014	2266125487.90327
2015	2407652905.7390943
2016	2338166012.6251965
2017	2373846571.6988535
2018	2326452106.1663465
2019	2432790948.999786
2020	2264344974.1215243
2021	2236020748.304025
2022	2293208039.636131
2023	2268655691.6983814
