Year	current US$
1970	10651480285.789892
1971	12422926533.759224
1972	15172431097.089113
1973	20296424204.090237
1974	24362060512.367493
1975	29410477206.28901
1976	31918580194.830097
1977	38658675380.90084
1978	45784318203.3545
1979	54189755018.01338
1980	60713814082.11018
1981	53576120615.171936
1982	54166552391.707664
1983	55688392829.78398
1984	51780268894.84905
1985	52919495211.49242
1986	74951989184.31726
1987	93792272529.38615
1988	99719460604.03433
1989	98675790951.63806
1990	122942460365.48468
1991	127819047731.29051
1992	145479171049.33633
1993	143401786348.0421
1994	152935339115.7692
1995	179641367544.69772
1996	178113244086.301
1997	158237535235.0885
1998	161200500222.32104
1999	159632316095.86908
2000	144191934343.5611
2001	144353877258.31512
2002	155176014372.26303
2003	191625029357.21136
2004	219320365975.9581
2005	231240464748.07773
2006	243714067060.87024
2007	275389777665.1303
2008	307177722012.26556
2009	297967494315.57404
2010	290261859359.83386
2011	316322986548.5415
2012	300175481415.30475
2013	316529389478.9264
2014	323968971793.19885
2015	276717174876.0155
2016	284658344023.133
2017	300421345682.6711
2018	324286211242.2743
2019	315737654245.88184
2020	308431110188.3432
2021	343065796269.917
2022	338115742084.7873
2023	371813399254.4772