Year	including construction (current US$)
1997	6507764297458.087
1998	6368957765704.929
1999	6649406206479.526
2000	6778727264570.116
2001	6426922406263.183
2002	6514809798583.507
2003	7293299804026.33
2004	8134805065380.218
2005	8585543149217.441
2006	9081427611628.27
2007	9850434036578.104
2008	10301966543695.584
2009	9068862995792.033
2010	9636912939374.572
2011	10339952622831.246
2012	10218150817423.45
2013	10219255821377.816
2014	10405125702923.861
2015	9611573481725.705
2016	9711094250440.293
2017	10258458322814.143
2018	10925154640219.29
2019	10871577247477.875
2020	10414099763093.113
2021	11695913121265.385