Year	current US$
1975	1081488839.751656
1976	1403891228.760741
1977	1753431915.4008565
1978	2135821032.7974422
1979	2919297542.5252495
1980	4041023305.7864275
1981	3885732311.1959324
1982	4220038072.564731
1983	4505153155.200599
1984	4483303134.983976
1985	4682331950.517739
1986	4556768846.910405
1987	4891593133.042918
1988	5278550212.29597
1989	5979158328.99175
1990	6895407132.1391115
1991	7433148043.9087
1992	7632852792.655524
1993	7952117812.861182
1994	9453768362.281958
1995	10405938805.771526
1996	10780476791.763012
1997	12740775318.973461
1998	14396917353.411558
1999	17428930844.916256
2000	19455101534.974964
2001	20529735576.16543
2002	22995126323.22417
2003	28024544651.29865
2004	42802919469.405754
2005	57373102400.69576
2006	75581868939.6968
2007	94198014629.43703
2008	114709845832.63348
2009	101702095628.60512
2010	127755066481.87328
2011	151391315319.89423
2012	158197542028.28967
2013	162688145108.4999
2014	172874649842.54022
2015	172079981546.26614
2016	178567399576.1
2017	203986119386.67648
2018	225842770259.02426
2019	234964977513.599
2020	216052967096.17206
2021	257896895263.03864
2022	330520555057.83435
2023	360970750318.7107