Year	including construction (constant 2015 US$)
1973	309761163.33106154
1974	299009342.9127329
1975	274010147.3822247
1976	307246995.8738688
1977	394948353.5337661
1978	436066377.91905856
1979	448791920.7838919
1980	436995441.16042453
1981	488688664.658903
1982	529964835.09769404
1983	511918463.460172
1984	552250679.7977346
1985	709215362.7154298
1986	787400774.9578568
1987	805107166.3081274
1988	879345977.5324948
1989	923931939.6894931
1990	949744853.7099497
1991	1068782956.1145883
1992	1248620085.2056632
1993	1308032472.273096
1994	1426110589.3198926
1995	1482643021.0571153
1996	1605734392.9635577
1997	1707919429.4815278
1998	1747385463.695968
1999	1852023798.2128518
2000	2004021375.8467364
2001	2076166143.1424742
2002	2094116438.8923793
2003	2158889909.3285675
2004	2189823121.3155255
2005	2255781990.0131636
2006	2356625393.0867453
2007	2449594376.6216803
2008	2492296886.4940987
2009	2477592319.481633
2010	2576685852.9769554
2011	2688314735.8385673
2012	2845628372.396684
2013	2924754635.775774
2014	3143355624.486372
2015	3206284530.6060925
2016	3073763818.888068
2017	3600527151.8239846
2018	3973703321.274782
2019	4266934791.953235
2020	4095256590.135624
2021	4379723923.185726
2022	4848560919.6531725
2023	4915395466.667652