Year	constant 2015 US$
1964	606067685.2932076
1965	620384262.3915358
1966	587691956.8044521
1967	514858331.16567343
1968	479420023.6538897
1969	535847653.4550922
1970	584886049.8084062
1971	614053475.5504045
1972	714287119.2146924
1973	722475172.34802
1974	833173578.2116916
1975	994258351.9958861
1976	1489847142.9563546
1977	1499943979.1420877
1978	1295927418.6735213
1979	1142694129.7679527
1980	1208443442.5667522
1981	1128523729.4194264
1982	911455527.2545966
1983	973114858.0268006
1984	876820282.0026212
1985	844560536.887743
1986	724438345.165714
1987	779920101.8685888
1988	819694708.7046269
1989	854502660.9906223
1990	830471316.8846958
1991	622290353.4898659
1992	466295802.06606394
1993	476691445.1228965
1994	473741182.4489201
1995	463872721.5438185
1996	495527430.3877892
1997	496492122.25997466
1998	573565516.0084776
1999	600129885.5619802
2000	599636579.3843046
2001	597592609.1655668
2002	620743582.9515868
2003	636137418.0247502
2004	672684331.8646652
2005	642197683.2300698
2006	660701052.1143374
2007	679563079.4756951
2008	718756219.0443189
2009	741245034.8738554
2010	764773540.9385791
2011	695303583.1622412
2012	802976908.9774427
2013	813097103.8987701
2014	850227265.0805738
2015	901458387.1761893
2016	925402576.7015629
2017	976875073.8154831
2018	1030693194.6673623
2019	1135339457.1871192
2020	1085329853.6523545
2021	1375787556.312747
2022	1683209137.8511121
2023	1748530077.6875496