Year	current US$
1967	36245200172.26317
1968	42185762134.52647
1969	47959842356.91057
1970	53892417391.638824
1971	61154881734.98209
1972	76493898195.16518
1973	95783145339.06079
1974	143819923801.41788
1975	199333602514.0987
1976	275098645974.8133
1977	301510385743.89777
1978	331092357578.0548
1979	419135369546.5966
1980	508116053883.7174
1981	570641587206.1444
1982	580430088127.3983
1983	557401855647.7356
1984	557406043447.5106
1985	577330280301.5894
1986	611295457051.6407
1987	629916020843.9214
1988	636958820888.1455
1989	626049403837.9288
1990	707626700512.6298
1991	587816026406.5244
1992	636703851567.2246
1993	639136306244.9545
1994	663620353425.2576
1995	696915528760.0532
1996	760721139723.2673
1997	817837933193.3241
1998	831356278724.2136
1999	841213451058.8177
2000	922904697242.0476
2001	972694460016.3132
2002	976125888317.9525
2003	1064632590536.1211
2004	1247293602312.8782
2005	1451590063859.991
2006	1697690782071.7139
2007	1994066444911.2595
2008	2368060661314.875
2009	2498128453387.1797
2010	2727128103484.6704
2011	2975341308711.139
2012	3420019027293.42
2013	3666656240738.402
2014	3724744323706.349
2015	3514695305762.268
2016	3404991918099.9966
2017	3306205800026.9775
2018	3463455728842.541
2019	3576891267772.0483
2020	3342417093804.1147
2021	3661599719665.783
2022	4149617486713.603
2023	4372793707205.5054