Year	including construction (constant 2015 US$)
1980	41802852.6377333
1981	43418994.15193474
1982	46190799.79178231
1983	48417185.612176
1984	50406626.756905295
1985	51557820.228293605
1986	52519010.89372461
1987	53379611.83835471
1988	54814691.8551145
1989	53071136.69456522
1990	55773647.193416595
1991	52764896.877904646
1992	57264610.38839912
1993	58985812.2776593
1994	55874236.91421752
1995	57890501.98449373
1996	57143902.72343802
1997	59446289.666214615
1998	60208536.2171727
1999	61366435.669947736
2000	68025475.18696862
2001	69612557.44849424
2002	71228698.96269569
2003	72728603.46619384
2004	74125682.92176217
2005	76226890.42293695
2006	78245390.82034206
2007	79235640.73844889
2008	83909709.76499829
2009	82315921.52208593
2010	93841268.19874242
2011	96749428.79345345
2012	98200156.1001156
2013	103602941.77068944
2014	100783928.48073916
2015	100548303.76574439
2016	105277574.19574222
2017	102486689.59178399
2018	105132880.12949164
2019	109318010.91188231
2020	103193547.64241296
2021	102937280.35198087
2022	103791161.2326633
2023	103791161.2326633