Year	including construction (constant 2015 US$)
1960	603589831.3145113
1961	641594217.2604849
1962	687535218.1216635
1963	675676399.5010887
1964	726442600.5660269
1965	751576460.5081877
1966	767072882.4667408
1967	801587640.2635438
1968	831876101.1380067
1969	850894436.9762564
1970	924150249.5090823
1971	947394882.2865521
1972	966413218.1248016
1973	947394882.2865521
1974	1055869835.3381041
1975	1082636382.3328707
1976	1199563928.8746223
1977	1260845233.683072
1978	1147439601.0041368
1979	1274522944.019126
1980	1222579148.2793252
1981	1269563734.5003986
1982	1336091056.2581525
1983	1321735314.0154138
1984	1384211583.3307598
1985	1389653268.458519
1986	1444085725.1835961
1987	1585569260.9133303
1988	1622672585.1324272
1989	1610246267.5029662
1990	1653630830.9582303
1991	1707718030.8557963
1992	1824849251.1807587
1993	1815801849.8068914
1994	1840837245.764836
1995	1939759331.3922212
1996	2030475269.302521
1997	2108883167.1544976
1998	2263677166.2111106
1999	2302145084.2938104
2000	2497829223.148892
2001	2648508484.334524
2002	2809954250.269215
2003	2850959328.685602
2004	2972857363.066841
2005	2978160481.9988947
2006	3012099752.1971197
2007	3109906966.0623455
2008	3045680701.509295
2009	3192641997.730304
2010	3242355068.845009
2011	3530855121.4153852
2012	3559478050.5584702
2013	3692674804.8722405
2014	3820246602.6709733
2015	4194242110.547684
2016	4343936329.640171
2017	4652231423.38704
2018	4955387963.416212
2019	5204085247.520982
2020	5124964399.051834
2021	5488524889.767854
2022	5632141150.187926
2023	5795472781.984936