Year	including construction (constant 2015 US$)
1991	53601.240918564916
1992	55156.22742132431
1993	54141.93405261805
1994	56493.91516994098
1995	57173.67043494923
1996	57574.425090120785
1997	58158.62814236121
1998	60322.22062136369
1999	61922.503737376
2000	63539.928342293395
2001	64239.11503253884
2002	65424.299060941084
2003	67926.79028448417
2004	69276.65564754672
2005	71693.52538630787
2006	72402.67654589441
2007	74644.40263282742
2008	71229.09786961474
2009	69365.76889536533
2010	70854.54275693504
2011	72033.08666654926
2012	72510.02105362611
2013	74052.02281280991
2014	76865.99667470624
2015	77345.60841059267
2016	77233.87315151552
2017	77349.80014356459
2018	78760.43291534741
2019	79225.31365471007
2020	73561.76579539686
2021	76882.53902614574
2022	75246.34703489249
