Year	including construction (constant 2015 US$)
1991	11503.125654470661
1992	11260.797654279122
1993	10650.97500973104
1994	10301.72548379558
1995	9798.183946084013
1996	9896.369044256178
1997	9865.342232548119
1998	9686.283100506746
1999	9367.604019092654
2000	9512.235898065239
2001	9414.273122434759
2002	9809.87982245972
2003	10011.089928113923
2004	10073.128524976655
2005	10342.400454183517
2006	10433.171967580185
2007	10634.75501508173
2008	10965.460189599995
2009	10688.840990191859
2010	10965.59545300359
2011	11109.725965926085
2012	10801.688573315487
2013	10598.108024754536
2014	10579.440917677055
2015	10216.503473553712
2016	9884.4471777862
2017	9814.169850705928
2018	9768.5671710728
2019	9748.520232913237
2020	9123.209073545751
2021	9049.664375015593
2022	8660.720585837302