Year	including construction (constant 2015 US$)
1991	9726.62746100254
1992	9374.613578948816
1993	8408.616105163243
1994	7262.227912139681
1995	7457.6168866770395
1996	7963.197583552628
1997	8843.3484955834
1998	9564.717181995176
1999	10031.15652795735
2000	9120.986718007076
2001	9123.150277894727
2002	8722.663694318975
2003	8373.70891202415
2004	8943.10050014506
2005	8927.019341222194
2006	10559.836232726862
2007	10658.521715145565
2008	10684.94760429965
2009	10364.396060940597
2010	10771.936028366144
2011	10038.594274100384
2012	10393.062755353338
2013	9861.625354199565
2014	9654.319301792959
2015	9508.24420454192
2016	9741.255143732404
2017	10089.669417176248
2018	10099.786070188855
2019	10172.308920221038
2020	8795.582081711715
2021	9254.056745533604
2022	9733.115419269277