Year	current US$
1967	47914450.63514352
1968	58720810.973151125
1969	58943938.937448256
1970	54963557.81229791
1971	63258004.87765574
1972	83144057.06006192
1973	95188556.99695395
1974	72908432.75212261
1975	128941839.24532774
1976	125512605.55251248
1977	163654964.68578616
1978	194627789.4134901
1979	246884145.46100444
1985	178797640.61476842
1986	308132251.4790276
1987	421295901.09572095
1988	401289907.66266763
1989	465576110.92117697
1990	512011118.0150112
1991	466222348.7053981
1992	589299007.7920849
1993	435831534.43449885
1994	430416616.6490782
1995	573006621.2810216
1996	539172487.1681286
1997	557342426.2186573
1998	578357078.5934155
1999	615656227.2203276
2000	508654514.3099681
2001	710645673.6203837
2002	615363619.699297
2003	981084928.1127867
2004	1179700613.7421925
2005	1304599506.1817539
2006	1463536556.0408719
2007	1947286546.9958386
2008	2372820409.67346
2009	2250986189.105179
2010	2568152255.5732465
2011	2563084396.1336026
2012	2137922730.0866454
2013	2530143655.262228
2014	2896108904.34781
2015	2720666734.8452907
2016	3361012703.195531
2017	3317336791.4865365
2018	3492409748.339776
2019	3893531271.616497
2020	2875811069.1033916
2021	4206823980.116159
2022	3542221853.7968683
2023	3804871669.200074