Year	constant 2015 US$
1970	34628226.65579431
1971	36811990.32216832
1972	38059898.22127602
1973	40009652.85159478
1974	43441324.4170765
1975	44923121.10093631
1976	40555593.76818829
1977	54048150.74275681
1978	57011804.23612806
1979	56075948.4688615
1980	56713103.730761856
1981	58062660.229999386
1982	60744035.25058713
1983	58344565.0473516
1984	59215905.142671466
1985	59663101.04740338
1986	56734117.69614355
1987	66683547.29612893
1988	66732718.884949565
1989	70898053.06401323
1990	88377773.73456384
1991	93091824.89319254
1992	105312888.19606724
1993	110976092.62318954
1994	115257537.54599202
1995	113085344.05414262
1996	122717315.58639455
1997	128251265.01008295
1998	128680605.91801523
1999	140174820.46531335
2000	152963618.9981334
2001	150272947.28004485
2002	151197886.59368518
2003	196235501.72747353
2004	216648699.2094788
2005	221474428.18670115
2006	210375801.24022412
2007	184820942.64212558
2008	187190390.46885312
2009	191997279.02239236
2010	205737842.1923579
2011	188619658.36707902
2012	216234127.72550192
2013	213296995.57929283
2014	226578448.41686764
2015	210843760.43251002
2016	188453116.75811
2017	211751763.57544836
2018	206699679.11893848
2019	200482808.8806298
2020	200625909.230356
2021	238923181.67371553
2022	238648678.4586835
2023	292509170.0901399