Year	constant 2015 US$
1965	294722337.8553095
1966	253698376.59277618
1967	202958877.92647454
1968	181367220.9574684
1969	227789070.33018303
1970	253698376.5927762
1971	280688337.3968154
1972	308757082.89107037
1973	323870872.02385575
1974	331427749.5069361
1975	485805961.80015916
1976	397281037.6004696
1977	704958140.7655005
1978	828662229.3223969
1979	782686665.1848148
1980	514954496.25224566
1981	499734170.4206337
1982	414331218.44246125
1983	329773803.7654134
1984	336538412.1604663
1985	407566610.04741
1986	528953740.5384522
1987	507147036.68652534
1988	492925783.8682814
1989	504917254.2494795
1990	633813466.2433637
1991	404857240.80549675
1992	367610384.7383049
1993	138956719.62336797
1994	259988022.04667506
1995	295866391.279042
1996	354590679.3713041
1997	330123925.88664615
1998	413645278.1230453
1999	385931071.11316514
2000	398280837.47908646
2001	405786828.4557948
2002	441173469.9608085
2003	490167074.3932389
2004	506389456.89409333
2005	384788134.52897114
2006	342769401.26695764
2007	306382044.70465845
2008	296328333.26917607
2009	571270149.99353
2010	652680451.0035452
2011	877830843.8651994
2012	837306828.3056555
2013	1148050835.3102732
2014	1220838892.7440965
2015	1449514620.3957555
2016	1201861924.504487
2017	1048940380.2403704
2018	1239510731.8772082
2019	1259086352.5465763
2020	1642771861.3089707
2021	1636541015.7966886
2022	1821861466.6028225
2023	2076816336.2939901