Year	constant 2015 US$
1980	396529307.99416304
1981	411854884.04147124
1982	438144886.91052485
1983	459269612.7388517
1984	478146971.57887053
1985	489048534.9883556
1986	498182064.9280178
1987	506341211.9776443
1988	519948521.42316914
1989	503412824.6898489
1990	529042761.73016864
1991	500497533.94627446
1992	543194887.4152833
1993	559523658.7499132
1994	529998809.45829505
1995	549132860.5650437
1996	542039772.2149992
1997	563884807.9754761
1998	571116719.6942624
1999	582107339.6044496
2000	645253637.2199866
2001	660306805.1474999
2002	675658574.28325
2003	689873563.380625
2004	703116788.8968086
2005	723068064.3629421
2006	742207354.0873791
2007	748145327.2371393
2008	777806380.5886551
2009	803013068.7514611
2010	833349029.4594836
2011	867878902.2858472
2012	895376863.0776001
2013	935366608.181981
2014	955071579.8221915
2015	966029600.8622274
2016	998106097.5358263
2017	1036191459.4769152
2018	1073934227.0842133
2019	1092843848.7370584
2020	1090706717.9807665
2021	1113744577.0355103
2022	1140337216.681937
2023	1171138792.0164423