Year	current US$
1965	0
1966	0
1967	0
1968	0
1969	0
1970	0
1971	-696.5516701139135
1973	166.89908186347472
1974	-73.534095317171
1975	-106.3865030989735
1976	205.0633969394514
1977	0
1978	0
1979	0
1980	553910683.4071096
1981	499426906.9764257
1982	381611723.3167806
1983	315955744.4788913
1984	552800812.7469555
1985	388191349.5281827
1986	389180689.220938
1987	436043445.5226117
1988	357413582.5200285
1989	255143833.73455745
1990	290893297.5938115
1991	255931355.44227314
1992	306394066.2068335
1993	843913609.0789737
1994	485707102.3405033
1995	658259004.7073493
1996	748082168.2344466
1997	789072711.5281973
1998	890916274.8090723
1999	911592734.9585686
2000	884433661.567038
2001	959424152.9790808
2002	1030881086.860337
2003	1310014197.7074797
2004	1252274555.336522
2005	1392495383.1181438
2006	1618626857.8797834
2007	1894097325.1651528
2008	1884424866.4192855
2009	1809566866.6882758
2010	1720057694.235345
2011	1762952145.765123
2012	1796094489.3490565
2013	2096900815.640066
2014	2561081102.1668615
2015	2621518199.6375427
2016	2758821311.246257
2017	3134139061.1434016
2018	3345286308.1333756
2019	3309863766.8502145
2020	3140823411.785351
2021	3424010763.6967063
2022	2948096834.4891524
2023	3116376969.809314