Year	including construction (constant 2015 US$)
1991	2791.792602520393
1992	2914.0499911917327
1993	3004.5077651863826
1994	3032.1484006156475
1995	3089.297597019265
1996	3049.8701203214932
1997	2984.2967579893307
1998	3084.9802567191155
1999	3091.520041395413
2000	2975.7206523323325
2001	3039.193229208552
2002	3063.6372755419907
2003	3167.4146891101873
2004	3677.320210645252
2005	3924.9927976257195
2006	3890.609605969214
2007	4000.563898781887
2008	4412.469057173877
2009	3910.5017486672537
2010	3841.5416407990488
2011	3886.7217124631497
2012	3889.4500619701116
2013	3709.227421718299
2014	3806.495949860332
2015	3756.048823485872
2016	3971.8441715728654
2017	4036.8452796035076
2018	4266.080286162187
2019	4285.536337950751
2020	3930.9868691345096
2021	3972.0735310820514
2022	4097.722322909158
