Year	including construction (constant 2015 US$)
1981	1143948402.3939252
1982	1245973518.2288713
1983	1341383087.1721773
1984	1403960452.2755194
1985	1518257364.557072
1986	1584961302.1053684
1987	1680953211.6618536
1988	1611855508.5043344
1989	1587977433.1296444
1990	1510659482.2191432
1991	1232225542.5233889
1992	987479154.8376007
1993	1253089408.1862953
1994	1343430234.0244975
1995	1452601291.783087
1996	1515667314.0354033
1997	1571415269.9770887
1998	1653229286.2391715
1999	1743888141.9122767
2000	1837163629.7533188
2001	1931119498.027603
2002	2091902082.9111423
2003	2227364962.605542
2004	2486746189.291062
2005	2721275421.358641
2006	2997867880.374393
2007	3283362485.0968504
2008	3615977864.8111687
2009	3965762546.067543
2010	4394745260.125634
2011	5054434509.107614
2012	6047015506.197057
2013	7504510473.386823
2014	8783454201.466295
2015	10526635479.743279
2016	13047138373.840378
2017	15731214050.303406
2018	17735362781.846107
2019	19962164719.390907
2020	21885542226.400887
2021	23475760808.830986
2022	24629557875.412
2023	26336710109.722496